Physics question and answers for January 12, 2024
- Q When a capacitor of value 200 uF charged to 200V is discharged separately through resistance of 2 ohms and 8 ohms then heat produced in joule will respectively be 1...
- Q 4 If an AC ammeter an AC voltmeter and a resistor are connected in series and the combination is connected across an AC voltage source the instruments read A and...
- Q Four concentric conducting spherical shell A B C D having radius R 2R 3R 4R respectively as shown in figure Shell B C are connected by thin conducting wire Then...
- Q A 4 0 F parallel plate capacitor is connected to a 5 V battery The work done by an external agent to slowly increase the separation between the plates to...
- Q The figure for this problem shows a planar circuit containing five 5 capacitors having capacitances C 10 nF C 20 nF C3 30 nF C4 40 nF and C5 50...
- Q The capacitance C of a capacitor is 1 independent of the charge and potential of the capacitor 2 dependent on the charge and independent of potential 3 independent of the...
- Q Calculate the charge on each capacitor in the steady state When capacitor is fully charged no current will flow through it Solution current in the circuit will be I 10...
- Q d 61 A parallel plate capacitor having area A and separated by distance d is filled by copper plate of thickness b The new capacity is C E Area 3...
- Q c d d 28 A b d 62 A parallel plate capacitor of capacitance 5 F and 67 plate separation 6 cm is connected to a 1 V battery and...
- Q 31 An inductor is connected to a direct voltage source through a switch Now 1 Very large emf is induced in inductor when switch is closed 2 Larger emf is...
- Q c 5 C 63 A slab of material of dielectric constant K has the same area A as the plates of a parallel plate capacitor and has thickness d where...
- Q second option in this cas in 1 marks Selecting any incorrect option s second option in this case with or without selection of any correct option s will result in...
- Q a 38 Four identical metallic plates are arranged very close and parallel to each other as shown in the figure Plates A and D are connected across voltage source which...
- Q In the given circuit find the charge on C C C3 C4 and C A battery is connected as shown in the figure V 10v A C C 2 f...
- Q In the given circuit diagram on closing the switch S C A work done by battery is CV B Heat generated in the circuit is C work done by battery...
- Q 2 35 A 600 pF capacitor is charged by a 200 V supply It is then disconnected from the suppl and is connected the another uncharged 600 pF capacitor How...
- Q In the given circuit initially switch S is closed and S and S3 are open after charging of capacitor at t 0 S is open and S and S3 are...
- Q A circuit is shown in the figure The charge on the capacitor at time t 5RC In 2 if switch K is closed at time t 0 sec is initially...
- Q 1 OA 2 OB 3 OC 4 OD 31 The effective capacitance between the points P an Q of the arrangement shown in the figure is Po 2uF 1 F...
- Q 2 Four condensers are joined as shown in the adjoining figure The capacity of each is 8 F The equivalent capacity between the points A and B will be A...
- Q A4 70 F capacitor that is initially uncharged is connected in series with a 5 00 kn resistor and an emf source with 150 V negligible internal resistance Part C...
- Q 7 Two capacitors of capacitances 3uF and 6 F are charged to a potential of 12V each They are now connected to each other with the positive plate of each...
- Q 23 Four identical capacitors are connected as shown in diagram When a battery of 6V is connected between A and B the charge stored is found to be 1 5...
- Q 31 Three capacitors each of capacitance 9 pF are connected in series a What is the total capacitance of the combination b Determine the charge on each capacitor if the...
- Q In the figure shown the total resistance is 30 k0 and battery s emf is V If the time constant to be 12 0 s calculate a the total capacitance...
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