Physics question and answers for January 09, 2024
- Q A parallel plate capacitor of C is charged with a battery of emf V volts A dielectric slab of dielectric constant K is placed between the plates to fully occupy...
- Q A circuit consists of two capacitors a 24V battery and an AC source connected as shown in figure The AC voltage is given by 20 cos 120xt V where t...
- Q 7 203 A charged oil drop of mass 2 5x 10 kg is in space between the two plates each of area 2x102 m of a parallel plate capacitor When...
- Q If nothing is mentioned then assume the battery to be disconnected and A parallel plate capacitor is connected to a battery V const and a slab of dielectric constant is...
- Q An arrangement of smooth pair of long conducting rails which are resistanceless are joined to a charged capacitor The rails are connected by a rod of mass and length and...
- Q Aakash Institute 70 In the circuit shown below to have same potentials of points a and b a dielectric of constant K 2 should be completely filled in C 1...
- Q 13 Find the equivalent capacitance between points A and B for the network shown in Fig 2 89 C Ao 1 F C3 C HH 1 F 1 F C...
- Q Four capacitors and a battery are connected as shown The potential drop across the 7 uF capacitor is 6V Then the 12 F 7 F 3 F A Potential difference...
- Q 204 A capacitor of 4 uF is connected as shown in the circuit The internal resistance of the battery is 0 52 The amount of charge on the capacitor plates...
- Q 2 A parallel plate vacuum capacitor with plate area A and separation x has charges Qand Q on its plates The capacitor is disconnected from the source of charge so...
- Q A parallel piate capacitor without any dielectric within its plates has a capacitance C and is connected to a battery of emf V The battery is disconnected and the plates...
- Q A parallel plate capacitor without any dielectric within its plates has a capacitance C and is connected to a battery of emf V The battery is disconnected and the plates...
- Q In the circuit shown initially the switch is open and all the capacitors are uncharged Consider the first 100 s interval after the switch is closed Find the total energy...
- Q To increase the charge on the plate of a capacitor implies to 1 decrease the potential difference between the plates 2 decrease the capacitance of the capacitor 3 increase the...
- Q In an LC oscillator circuit L 10 mH C 40 l If initially at t 0 the capacitor is fully charged wit 4uC then find the current in the circuit...
- Q A conductor of length 1m radius r 1 cm resistivity p 2 5 10 8 Q2 m independent of temperature is connected to a cell of constant emf 5 V...
- Q 8 A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V Another capacitor of capacitance 2C is connected to another...
- Q capacitance Option A B C D D fent for the given capacitor arrangement All the 6 capacitors are of same If a battery is connected across AB all 6 capacitors...
- Q Question No 49 to 52 4 questions In the circuit shown in figure four capacitors are connected to a battery The equivalent capacitance of the circuit is A 25 F...
- Q A parallel plate capacitor is made of two dielectric blocks in series One of the blocks has thickness d and dielectric constant K and the other has thickness d and...
- Q A cylindrical air capacitor of length l inner radius R and outer radius 2R is connected to a battery of emf E as shown in figure A particle of charge...
- Q A capacitor of capacitance 400 uF is charged upto a potential of 100 volt and another capacitor of capacitance 600 uF is charged upto a potential of 200 volt The...
- Q HP EXAMPLE Find CAB Sol A C A i CAB a cv C C 5C 3 2 6 C IN B 0 0 00 A B sir jis capacitor ke...
- Q Four identical plates of parallel to each other at equal distance d as shown in the figure The space between 2nd and 3rd is filled with a dielectric of dielectric...
- Q 1 CV 2 A battery is used to charge a parallel plate capacitor till the potential difference between the plates becomes equal to the electromotive force of the battery The...
- Q For the circuit shown in the diagram considering steady state 7 F A B C D The current is 2 4 A The current I is 4 8A Charge on...
- Q Separation between the plates of a parallel plate capacitor is 5mm This capacitor having air as the dielectric medium between the plates is charged to a potential difference 25V using...
- Q 100 Current Electricity Cells emf Internal Resistance Cells in Series and Parallel Kirchhoff s Rules 16 The charge in the 2uF capacitor at steady state is 1V 1 5V 2V...
- Q m A block of mass m kept on a rough horizontal surface is connected to a dielectric slab of mass and 5 dielectric constant k by means of a light...
- Q 26 180 A parallel plate air capacitor is charged to a potential difference 5 V After disconnecting the battery distance between the plates of capacitor is doubled the energy density...
- Q 36 Consider the situation shown in the figure The capacitor A has a charge q on it whereas B is uncharged The charge appearing on the capacitor B a long...
- Q Terminal A is connected to positive terminal of battery and B is connected to negative terminal of plate and it send same charge Q in all four combination Each plate...
- Q 3 Half portion of a spherical capacitor is filled with a dielectric of dielectric constant k conductivity o The charge given to spherical capacitor is Qo Due to the conductivity...
- Q 1 In the circuit shown below the charge on the 60 F capacitor is 30 F 60 F 1 150 C 2 100 C 15 F 10 volt 80 F...
- Q A leaky parallel plate capacitor is filled completely with a material having dielectric constant K 5 and electrical conductivity o 7 4 x 10 2 1m 1 If the charge...
- Q If potential difference between the plates of capacitor changes at the rate of V 104 v s and capacitance is 2 F then displacement current between the plate will be...
- Q C D There is a circuit diagram in which capacitors resistors and battery are given Then choose the correct option s Assume initially all the capacitors are uncharged 2 F...
- Q Five thin rectangular conducting plates each of constant breadth 1 m are arranged parallel to each other as shown in the figure Any two consecutive plates are separated by a...
- Q When the voltage across the capacitor is rising it gets charge If there is no external load it remains charged t the peak voltage of the rectified output When there...
- Q 5 1 For a RLC series circuit with an AC source of angular frequency o A Circuit will be capacitive if B Circuit will be inductive if 1 LC 1...
- Q 172 The equivalent capacitance between A and B is in uF a 25 3 F 3 F 3 F 84 b 25 c 1 d 25 AH B 2 F...
- Q If you wish to take a picture of a bullet traveling at 500 m s then a very brief flash of light produced by an RC discharge through a flash...
- Q A conductor of capacitance 0 5 F has been charged to 100 volts It is now connected to uncharged conductor of capacitance 0 2 F The loss in potential energy...
- Q In a common emitter configuration with suitable bias it is given that R is the load resistance and RBE is small signal dynamic resistance input side Then voltage gain current...
- Q In the circuit shown in figure the battery is an ideal one with emf V The capacitor is initially uncharged switch S is closed at time t 0 R 2...
- Q A 3 33 F B 1 F D 2 F C 0 44 F Two condensers of capacities 2C and C are joined in parallel and charged upto potential V...
- Q In the arrangement shown all particles have equal area The amount of spacing between plates is mentioned Find the equivalent capacitance Area L of the system between A and B...
- Q 59 A capacitor of unknown capacitance a coil of inductance L and a resistor of resistance R are connected to a source of a c voltage cos ext The current...
- Q air as medium is 6 F With the introduction of dielectric medium the capacitance becomes 30 The permittivity of the medium is 0 8 85 x 10 12 C2 N...
- Q 2 An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate see the drawing The plates are separated by...
- Q A parallel plate capacitor is made from circular plates of radius 9 0 3 cm The plates are separated by 0 98 0 14 cm Air is between the plates...
- Q A capacitor of value 4 F charged at 50V is connected with another capacitor of value 2uF charged at 100V in such a way that plates of similar charges are...
- Q pacitan 8 If dielectric constant and dielectric strength b denoted by K and X respectively then a materia suitable for use as a dielectric in a capacitor mus have a...
- Q EXAMPLE 87 The capacitance of a parallel plate capacitor is 50 pF and the distance between the plates is 4 mm It is charged to 200 V and then the...
- Q 19 In the given network of capacitors the equivalent capacitance betweel 1 3 4 C C HH B
- Q Three identical charged capacitors each of capacitance 5 F are connected as shown in figure Potential difference across capacitor 3 long time after the switches K and K are closed...
- Q A dielectric slab of dielectric constant K is placed between the plates of a parallel plate capacito carrying charge q The induced charge q on the surface of slab is...
- Q A capacitor is made of a flat plate of area A and a second plate having a stair like structure as shown in figure 31 E9 The width of each...
- Q An infinite conducting sheet has surface charge density o The distance between two equipotentia surfaces is r The potential difference between these two surfaces is or 1 200 3 O...
- Q 0 A charged capacitor of capacitance 10 F is getting discharged through a resistance of 10000 After 1 what time stored energy will reduce to maximum value 1 2 ms...
- Q A parallel plate capacitor plate area A connected to battery of emf V and negligible internal resistance so that one of the plate is made to oscillate and dista between...
- Q A parallel plate capacitor is made from two aluminium foil sheets each 3 00 cm wide and 10 0 m long Between the sheets is a mica strip of the...
- Q 3 19 In the given network of capacitors the equivalent capacitance between points A and B is 652 2 20 3 2 c 11C 4 C T B
- Q 107 Three capacitors with their respective breakdown voltages have been marked 4 F 20V HH A 6 F 5V HE 1 60V 2 30V 3 16 25V B 3 F...
- Q A H H toet toot 108111061 201 i B
- Q Calculate final charge on 1 F capacitor 6 C 1uF 10V 492 www 452 3 F 192 www
- Q a Find the equivalent capacitor for this circuit b Find the charge stored on each capacitor c Find the total energy stored in this circuit 100 V SUF 10 UF
- Q A charged capacitor is connected with a resistor After how many time constants does the energy of capacitor becomes 1 10 th of its initial value 1 2 3 3...
- Q 5 38 A telephone wire of length 200km has a capacitance of 0 014 F per km If it carries an AC current of frequency 5kHz what should be the...
- Q A 2 75 F capacitor is charged to 460 V and a 3 95 F capacitor is charged to 525 V 1 What is the voltage for each capacitor if...
- Q The dimensions of RC is a square of time b square of inverse time uriens c time d inverse time 190
- Q Two spherical conductors each of capacity C are charged to potential V and V These are then connected by means of a fine wire The loss of energy will be...
- Q In the circuit diagram shown in the adjoining figure the resultant capacitance between P and Q is a 47 F b 3 F c 60 F d 10UE P 12...
- Q A capacitor of capacitance C is charged to a potential V The flux of the electric field through a closed surface enclosing the capacitor is
- Q 2 1 A capacitor of 4 uF is connected as shown in the circuit Figure The internal resistance of the battery is 0 5 2 The amount of charge on...
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