Physics question and answers for January 11, 2024
- Q 3 C C E 4 Zero As shown in figure very thin sheet of aluminium is placed between plates of capacitor What wil happen to capacity of capacitor 1 Will...
- Q The switch is closed at t 0 in the adjoining circuit Which of the following is correct Initially capacitor is uncharged X R R Y R Z A The potential...
- Q Two conductors are separated by a distance of 1cm in air The dielectric strength of air is about3 x 106Vm 1 What maximum safe potential difference can be applied across...
- Q Two conducting spheres of radius a and 2a having charge Q and Q are separated by d a then Choose correct statement s Q d 2a A Potential difference between...
- Q 1 Capacitor of given system is C Find the capacitance if dielectric is removed A is the area of plate K dielectric constant 4 A C C Im Ulm 2...
- Q Suppose the parallel plates in figure each have an area of 0 2 m 2 and are 0 01m apart We connect the capacitor to a power supply charge it...
- Q A 5 F capacitor is charged fully by a 220V supply It is then disconnected from the supply and is connected in series to another uncharged 2 5 F capacitor...
- Q a Using Gauss law derive the expression for capacitance per unit length of an infinite straight coaxial cable with inner radius a and outer radius b Dielectric is air Sketch...
- Q Example 64 Five identical capacitor plates each of area A are arranged such that the adjacent plates are at distance d apart The plates are connected to a source of...
- Q Example 42 The negative plate of a parallel plate capacitor is given a charge of 20 108 C Find the charges appearing on the four surfaces of the capacitor plates...
- Q 21 An isolated spherical capacitor having radius 18cm Find its capacitance and energy stored if a potential of 100V is applied on it 22 Find the capacitance of a parallel...
- Q Two capacitor of capacitance 3 F and 1 F ha break down voltage 2 kV and 5 kV If capacitance are connected in series then what will be breal down...
- Q 132 A light bulb a capacitor and a battery are connected together as shown here with switch S initially open When the switch S is closed then which one of...
- Q ics as ation d k Four plates of the same area of cross section are joined as shown in the figure The distance between each plate is d The equivalent...
- Q Four plates of equal area A are separated by equal distances d and are arranged as shown in the figure The equivalent capacity is A 1 A d 3gA De...
- Q c 2 C X 14 Four capacitors are connected as shown in the figure Their capacities are indicated in the figure The effective capacitance between points x and y is...
- Q Four capacitors of each of capacity 3 uF are connected as shown in the adjoining figure The ratio of equivalent capacitance between A and B and between A and C...
- Q 4 2 15 A 10 uF capacitor and a 20 F capacitor are connected in series across a 200 V supply line The charged capacitors are then disconnected from the...
- Q 21 Three capacitors each of capacity 4 F are to be connected in such a way that the effective capacitance is 6 F This can be done by 1 Connecting...
- Q A heart defibrillator delivers 360 J of energy by discharging a capacitor initially at 3 kV What is its capacitance Select one O 1 08 KF O 0 08 mF...
- Q An axon is the relatively long tail like part of a neuron or nerve cell The outer surface of the axon membrane dielectric constant 2 thickness 9 nm is charged...
- Q 5 A capacitor of capacitance 12 0 F is joined to an AC source of frequency 200 Hz The rms current in the circui is 2 00 A a Find...
- Q 4 A spherical drop of capacitance 1 uF is broken into eight drops of equal radius Then the capacitance of each small drop is 1 AIIMS 2012 a 2 1...
- Q A metal plate of thickness half the plate separation is introduced between the plates of parallel plate capacitor The capacitance a remains unchanged c gets halved b gets doubled d...
- Q 7 After the switch S shown in Figure A is closed there is current i through resistance R Figure B indicates current variation curves a b c and d for...
- Q The two plates of a capacitor of capacitance C are given charges Q and Q This capacitor is connected across a resistance R as shown key is closed at t...
- Q Assume initially all the capacitors are uncharged 2 F All 492 10V 10 92 292 62 4 F B At steady state charge on capacitor A is zero YOUR ANSWER...
- Q A capacitor is charged with a di electric slab in the space between the plates of capacitor The battery is disconnected and the di electric slab is pulled out of...
- Q A small charged particle q lies at the centre of two concentric conducting hollow spheres finner radii R and 5R and outer radil 3R and 7R respectively Then which of...
- Q 10 Between conductive parallel plates a point particle with q charge is moved along the KLMN path Accordingly which of the following statements are correct 1 Work done on KL...
- Q i A parallel plate capacitor of plate area A 10 2m and plate separation d 10 2m is charged to V 100V Then after removing the charging battery a slab...
- Q A parallel plate capacitor with plate area A and plate separation d is filled with a dielectric slab as shown What is the capacitance of the arrangement 1 2 3...
- Q 101 When a potential difference of 10 V is applied between A and B a charge of 0 75 mC is stored in the system of capacitors as shown The...
- Q 1 Three concentric thin spherical shells are of radii a b c a b c The first and third shells are connected by a fine wire through a small hole...
- Q 2 2 The capacitance of a parallel plate capacitor with plate area A and separation d is C The space between the plates in filled with two wedges of dielectric...
- Q the following is are CORRECT K Sr Super 60 All haitanya IIT Academy 4 Space for rough work 5R 16 05 2021 Sr Super60 All Jee Adv 2019 P2 GTA...
- Q 2 19 The space between the plates of a parallel plate air Vcapacitor is filled with an isotropic dielectric medium of which dielectric constant varies in the direction perpendicular to...
- Q Two parallel plate of area A are separated by two different dielectrics as shown in figure The net capacitance is 1 2 Question Type Single Correct Type 3 4 0A...
- Q The energy required from a battery to charge a parallel plate condenser of plate separation d and plate area of cross section A such that the surface charge density on...
- Q Figure shows a solid metal sphere of radius a surrounded by a concentric thin metal shell of radius 2a Initially both are having charges Q each When the two are...
- Q Bonus Problem 2 points The voltage shown is applied across a 0 2 F capacitor Draw the current flowing throug the capacitor as a function of time for the period...
- Q 2 6 A capacitor is charged until its stored energy is 3J and then the charging battery is removed Now another uncharged capacitor is connected across it and it is...
- Q 2 8 A capacitor of capacitance of 2uF is charged to a potential difference of 200V after disconnecting from the battery it is connected in parallel with another uncharged capacitor...
- Q are connected 2 42 Six capacitors each of capacitance of 2 F as shown in the figure 2 260 The effective capacitance between A and B is A 12 F...
- Q 70 Three plates A B and C each of area A 0 1 m are separated by 0 885 mm B from each other as shown in the C figure...
- Q 59 Two capacitors having capacitances 8 F and 16 F have breaking voltages 20V and 80V They are combined in series The maximum charge they can store individually in the...
- Q A parallel plate capacitor is charged and then disconnected from charging battery If the plates are allowed to move little closer by means of an insulating handle then The energy...
- Q 2 21 Find the capacitance between the inner and outer curved cylindrical conductor surface as shown in figure 2 248 Space between conductor surface is filled with dielectric of dielectric...
- Q Two capacitors of capacities C and 4C are charged to potential of V and 2V respectively Now these capacitors are connected to each other by joining plates with opposite polarities...
- Q A metal sphere of radius r 10 cm is placed concentrically inside another thin metal hollow sphere of radius R 20 cm Both spheres are separated from one another The...
- Q A charged particle Q is placed at the centre of cube of side length L Another identical charge Q is placed at distance L from first charge shown in figure...
- Q 9 A charged capacitor when filled with a dielectric K 3 has charge Qo voltage Vo and field Eo If the dielectric is replaced with another one having K 9...
- Q 1 A capacitor of capacitance 3 F is charged 20 pc Now it is connected with three other capacitors as shown in diagram to on 3 F capacitor Final charge...
- Q Two capacitors C1 3 F and C2 6 F are connected in series and charged by connecting a battery of voltage V 10v olt in series with them They are...
- Q D 2 2 A capacitor is composed of three parallel conducting plates All three plates are of same area A The first pair of plates are kept a distance d...
- Q ination ectric arged oved 2 32 To form a composite 16 F 1000V capacitor from a supply of identical capacitors marked 8 F 250V we require a minimum number of...
- Q t 2 28 A variable parallel plate capacitor and an electroscope are connected in parallel to a battery The reading of the electroscope would be decreased by i Increasing the...
- Q Three capacitors are connected to a DC battery with an electric potential difference of V as shown in Figure Given C C C3 1 00 uF 0 60 F 0...
- Q A parallel plate capacitor of capacitance C without dielectric is filled by dielectric slabs as shown in figure Ther the new capacitance of the capacitor is K 6 A 2...
- Q In the given circuit charge Q on the 2 F capacitor changes as C is varied from 1 F to 3 F Q as a function of C is given...
- Q Six equal capacitors each of capacitance 10 F are connected as shown in the figure Then the equivalent capacitance between A and B is C a A B 20 F...
- Q iii Two spherical conductors each of capacity C are charged to potential and V These are then connected by means of a fine wire The loss of energy is Initial...
- Q Initially switch S is open in the given circult If switch is closed then to obtain steady state again is S A C 1 Charge 2 Charge 3 Charge B...
- Q Figure shows two oppositely charged parallel plates that are separated by a distance d 20 cm The electric field between the plates is uniform and has a magnitude E 10...
- Q Two concentric conducting spheres of radii a and b outer is given a charge and inner is earthed The equivalent capacity of system will be b a ab 1 4...
- Q Two identical capacitors C and C of capacitance 10 F are connected in series to a cell of emf 12 V Capacitor C is filled with dielectric of dielectric constant...
- Q If ring of radius R is placed on smooth floor connected by a string at the top Other end of string is connected to upper plate of capacitor of same...
- Q If the dielectric constant and dielectric strength of a material denoted by K and k respectively then a material suitable for use as a dielectric in a capacitor must have...
- Q 18 A parallel plate capacitor is connected across a battery Now keeping the battery connected a dielectric slab is inserted between the plates In this process a no work is...
- Q Two capacitors of 25 F and 100 F are connected in series to a source of 120 V Keeping their charges unchanged they are separated and connected in parallel to...
- Q Two spherical conductor A and B of radii a and b b a are placed concentrically in air The two are connected by a copper wire as shown in figure...
- Q 50 In the following circuit a capacitor is charged from q 0 to q 2 C after switching on the circuit find energy delivered by the cell R 1000 2...
- Q b a 100 V 114 The charge on 4 F capacitor in the given circuit is in C 1 F 5 4 F 3 F 10 V b 24 5...
- Q In the network of capacitor and resistances as shown in the figure steady current I enters at junction a and same current leaves junction b Charge on capacitor C3 with...
- Q 2 conducting spheres each of radius R are placed at a large distance from each other They are connected by coil of inductance L as shown in figure Neglect the...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!