Physics question and answers for January 07, 2024
- Q 1 In the circuit shown C 1 F C 3 F in steady state the energy stored in these capacitors are respectively 50 Luf c 1 6 J 18 J...
- Q A charged isolated parallel plate capacitor is fully filled with a slab of dielectric constant K 4 if the plates are pulled apart such that the energy stored is same...
- Q aidi Following figure shows the initial charges on the capacitors After the switch S is closed find The charge on capacitor C A 0 C 10 C S 10 C...
- Q Find the potential difference between the plates of the capacitor C in the circuit shown in figure The internal resistances of sources can be neglected 30 2 www www 20...
- Q 3 ren 4 be zero since circuit will not work Four plates are located of a distance d apart from one another The extreme plates are inter connected A potential...
- Q 70 When the key K is pressed at time t 0 then which of the following statements about the current in the resistor PQ of given circuit is true 2...
- Q In the adjoining figure four capacitors are shown with their respective capacities and the P D applied The charge and the P D across the 4uF capacitor will be KCET...
- Q 14 of material inserted 1 3 2 4 3 2 4 5 A capacitor of capacitance 5 F is charged to 24 V and another capacitor of capacitance 6 F...
- Q 6 A 2 F capacitor is charged as shown in the figure The percentage of its stored energy dissipated after the switch S is turned to position 2 is n...
- Q and B is circuit the potential difference between A JOV 10 10 V 2 F VOIE A 20 V HH v 16 4 F 41 16MC dou C 8 F...
- Q Four capacitors are connected as shown in figure to a 30 V battery Find the potential difference between points and b 1 0 F 1 5 F a HHH H...
- Q Four identical metallic plates each having area of cross section A are separated by a distance d as shown in the figure Plate 2 is given a charge Q Find...
- Q A capacitor of capacity C is charged to a steady potential difference V and connected in series with an open key and a pure resistor R At time t 0...
- Q 2 A parallel plate capacitor having plate area 400 cm and separation between the plates 1 0 mm is connected to a power supply of 100 V A dielectric slab...
- Q A parallel plate air capacitor consists of two circular plates of diameter 8 cm At what distance should the plates be held so as to have the same capa citance...
- Q where Figure shows a wire frame PQSTXYZ placed in a time varying maghet sa positive constant Resistance per unit length of the wire is Find the current induced in the...
- Q A capacitor of capacitance C 1uF can with stand maximum voltage V 6kV kilo volt and another capacitor of capacitance C 3 F can withstand maximum voltage V 4kV When...
- Q of capacitance 5 F is connected in the figure The internal resistance of the cell is 0 5 Q2 The amount of charge on the capacitor plate is 6 A...
- Q A capacitance of 2 F is required in an electrical circuit across a potential difference of 1 0 kV A large number of 1 F capacitors are available which can...
- Q In the circuit shown in figure the battery is an idea one with emf V The capacitor is initially uncharged Switch S is closed at time t 0 1 S...
- Q 19 24 A parallel plate capacitor is immersed in a liquid dielectric having dielectric constant as shown in the figure Find the force acting on a unit surface of the...
- Q 2 F 100 V Fig 25 25 3 F a the equivalent capacitance b the charge stored in each capacitor and
- Q 5 The adjoining figure shows two bulbs B and B resistor R and an inductor L When the switch S is turned off then R www 0000 B S HH...
- Q difference across the 100 20 Each capacitor shown in figure 31 E10 has capacitance of 50 F The emf of the battery is 50 V How much charge will flow...
- Q DAN TARGET PRE MEDICAL 2020 16 An air filled p constructed w Analysis through In the circuit shown below with steady current the potential drop across the capacitor must be...
- Q CAREER INSTITUTE KOTA RAJASTHAN The plates of a parallel plate capacitor are given charges 4Q and 2Q The capacitor is then connected across an uncharged capacitor of same capacitance as...
- Q 916 1 4 16 An uncharged parallel plate capacitor having a dielectric of dielectric constant k is connected to a similar air cored parallel capacitor charged to a potential difference...
- Q are placed concentrically in air B is given a charge Q and A is earthed The equivalent capacitance of the system is L q ca Internal 1 4 3 4...
- Q 6 A parallel plate separation d and capacitance C is filled 4 with four dielectric materials having dielectric constants k k k and k as shown in the figure below...
- Q Q 30 A capacitor C is charged up to a voltage V 60 V by connecting it to battery B through switch 1 Now C is disconnected from battery and...
- Q A capacitor is charged by a battery and the energy stored is U The battery is now removed and the separation between the plates is doubled The energy stored now...
- Q 4 Zero 29 Three different dielectrics are filled in a parallel plate capacitor as shown What should be the dielectric constant of a material which when fully filled between the...
- Q Find the potential difference V Vb between the points a and b shown in each part of the figure 31 E14 12 V 2 F 3 2 V a 2...
- Q What is the equivalent capacitance across the battery 79 A B C C 30 ALC 30 D 59 30 21 C 30 C C 2C B C HP C
- Q Zoro 1V 1 5V 2V wwwwww 292 HH 2uF wwwwww 292 dy state
- Q ratio of the current i through the cell at t 0 and t will be In the given circuit diagram the key K is switched on at t 0 The...
- Q 26 Consider the situation shown in figure Find the heat developed in the connecting wires when the switch S is closed C is the capacitance of capacitor 1 CV GV...
- Q 25 Three capacitor C 2 F C 3 F and C3 4 Fare separately charged with battery of potential difference 40V 30V and 10V respectively and then disconnected After then...
- Q Each of the plates shown in figure has surface area A on one side and the separation between the consecutive plates is d The emf of the battery connected is...
- Q 159 A capacitor of capacitance C has initial charge Q and connected to inductor L as shown at t 0 switch S is pressed The current through the inductor when...
- Q 47 Which of the following variation of energy with time is correctly shown If charge in capacitor varies as 0 0 in LC oscillation 1 O UE UE po T...
- Q A condenser of capacity C is charged to a potential difference of V The plates of the condenser are then connected to an ideal inductor of inductance L The current...
- Q A system of two capacitors is shown in the figure If Ve V 20 V then A If switch S is closed potential difference between plate A and plate B...
- Q Two identical capacitors C and C of equal capacitance are connected as shown in the circuit Terminals a and b of the key k are connected to charge capacitor C...
- Q 2018 A capacitor is charged by a battery The battery is removed and another identical uncharged capacitor is connected in parallel The total electrostatic energy of resulting system a decreases...
- Q A 100 W resistance and a capacitor of 100 W reactance are connected in series across a 220 V source When the capacitor is 50 charged the peak value of...
- Q A parallel plate capacitor of capacitance 5 F is connected to a battery of emf 6 V The separation between the plates is 2 mm a Find the charge on...
- Q 4 The capacitance between the adjacent plates shown in figure 31 E20 is 50 nF A charge of 10 C is placed on the middle plate a What will be...
- Q There are two conducting spheres of radius a and b b a carrying equal and opposite charges They are placed at a separation d a and b The capacitance of...
- Q A capacitor is made of two square plates each of side a making a very small angle a between them a shown in figure The capacitance will be close to...
- Q 7 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...
- Q 7 Initially S is connected to 1 as shown in the figure and then S is also connected to 2 Due to 2nd connection some extra charge redistribution of charge...
- Q Three identical conducting plates are arranged as shown in figure and they are given charges as indicated When switch S is closed the amount of charge flown through the switch...
- Q 44 A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V If a dielectric material of dielectric constant K 5 is inserted between...
- Q The capacitor each having capacitance C 2 F are connected with a battery of emf 30 V as shown in figure When the switch S is closed Find S the...
- Q Figure shows plots of charges versus potential difference for three parallel plate capacitors which have the plate areas and separations given in the table Which of the plots goes with...
- Q The area of each plate of a parallel plate capacitor is A and separation between plates d The space between the plates of capacitor is filled with a non conducting...
- Q 16 A spherical cell has a radius of 100 m Its membrane has a specific capacitance of 1 0 F cm and a leakage resistance of 2000 cm A current...
- Q 5 Figure 5 shows a system of capacitors where the potential difference across ab is 38 0 V a What is the equivalent capacitance of this system between a and...
- Q Consider the combination of capacitors shown in the diagram where C 3 00 F C2 11 0 F C3 3 00 F and C4 5 00 uF Figure 1 gure...
- Q Two capacitors C 4 61 F and C 14 0 F are connected in parallel and the resulting combination is connected to a 9 00 V battery a Find the...
- Q Enter the circuit below that is not equivalent to the circuit above M Select one a c O b b O c d H a www b m WWW m...
- Q The circuit in the figure below contains a 90 0 V battery and four capacitors In the top parallel branch there are two capacitors one with a capacitance of C...
- Q Find the charge on each of the capacitors in the figure below 24 0 V 1 0 F capacitor 5 0 F capacitor 8 0 F capacitor 4 0 F...
- Q ther At time t 0 the capacitor is connected in series to two ammeters and a light bulb Immediately after the circuit is closed the ammeter connected to the positive...
- Q capacitor at the time t 45 s is C 3 F E Zero D 9 82 C 9 50 B 8 65 A 6 32 In the circuit shown the...
- Q 76184 For the current waveform shown below which is applied to a 2mF capacitor calculate the time at which the value of capacitor voltage Vc crosses 2000V Given that Vc...
- Q 2 Two capacitors are constructed Each is made of parallel plates that have an area of 1 75 x 10 4 m In capacitor 1 the plates are 0 040...
- Q Question 6 Find the equivalent capacitance for the below circuit S F 20 F 6 F 20 F 60 F
- Q Potential difference of 100 0 V is applied across two capacitors in series as shown If C is a 6 F capacitor and has a voltage drop of 75 V...
- Q A It takes 3 00J of energy to move a 1 50C charge from the positive side of a uniform electric field to the other What is the magnitude of...
- Q For the capacitor network shown in Figure 1 the potential difference across ab is 68 V Figure 150 p 120 p 1 of 1 Part F Find the energy stored...
- Q In the circuit below after a long time how much charge is on the 400 mF capacitor Select one O a 960 mC O b OC d 480 mc 600...
- Q 6 27 Find the equivalent capacitance with respect to terminals a b for the circuits shown in Fig P6 27 Figure P6 27 a 20 nF F 40 V 8...
- Q A parallel plate capacitor consists of two parallel square plates that have dimensions 1 0 cm by 1 0 cm If the plates are separated by 1 0 mm and...
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