Physics question and answers for January 13, 2024
- Q Equivalent capacitance between A and B as shown in the circuit will be A Beka 2uF OPTIONS MARK FOR REVIEW CLEAR SELECTION A 1 F
- Q ENERGY DENSITY OF CAPACITOR DIELECTRIC SLAB A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it A dielectric slab...
- Q Me 9 A capacitor C is fully charged with voltage Vo After A disconnecting the voltage source it is connected in parallel with another uncharged capacitor of capacitance C The...
- Q 135 A small charged particle q lies at the centre of two concentric conducting hollow sres of inner radii R and 5R and outer radii 3R and 7R respectively Then...
- Q Capacitors shown in figure are made of square plate of edge length A particle Pof mass m is in equilibrium if placed between plates of capacitor 1 If the same...
- Q 13 A network of four capacitors each 10 F are connected as shown with 500V supply Calculate the ratio of charges stored on C and C 1 1 2 500...
- Q 15 A 90 pF capacitor is charged by a 10 V battery The capacitor is then disconnected from battery and connected to another charged 90 pF capacitor Final electrostatic energy...
- Q conductor is placed inside uniform INCERT Pg 68 eld Then surface of conductor electrostatic es normal to the surface at every the conductor electrostatic field ectrostatic potential is constant mout...
- Q 3 Equivalent capacitance of the network across points A and B is 1 200 pF 3 100 pF AL CAMERA 11 100 pF 11 200 pF HH 16 200 pF...
- Q 3 Lass 14 A 900 pF parallel plate capacitor is charged dielectric insulating material by 100 V ideal battery The space between the plates is 1cm How much electrostatic energy...
- Q 7 A thin metallic spherical shell carries a charge Q on it A point charge q is placed at the centre of the shell and another charge q is placed...
- Q 21 In the arrangement the value of each capacitor is Xu F Then the equivalent capacitance between point a and c is In uF 1 3 8063 InslevIL 12X 7...
- Q Two identical capacitors 1 and 2 are connected in series The capacitor 2 contains a dielectric slab of constant k as shown They are connected to a battery of emf...
- Q A capacitor of capacitance 500 F is connected to a battery through a 10k resistor The charge stored on capacitor in the first 5 seconds is larger than the charge...
- Q A conductor is made of an isotropic material resistivity p has rectangular cross section Horizontal dimension of the rectangle decreases linearly from 2x at one end to x at the...
- Q 6 Resistance of each part is R and resistance of circumferece is negligible as shown in figure Find the equivalent resistance across AB A is the common centre of both...
- Q ductance coil are connected in 201 A capacito 35 separate AC circuits with a bulb glowing in both the circuits The bulb glows more brightly when a an iron rod...
- Q Q7 For the circuit shown which of the following state ments is true 1999 S V 30V S3 V2 20V C 2 F C 3 F S2 A with S...
- Q 7 Which of the following characteristics of electrons determines the current in a conductor O Thermal velocity alone O Both drift and thermal velocity O Drift velocity alone ONeither drift...
- Q 12 identical capacitors are connected in series between two points Out of these for n capacitors the spacing between the plates is reduced to half and for the remaining it...
- Q When two or more capacitors are connected in parallel across a potential difference O All of the above choices are correct O the potential difference across each capacitor is the...
- Q For the circuit shown in figure equivalent capacitance between A and Bis 2C Answer 00 01 C C HH 2C 02 20 03 B 04 05 260 Find n 7n...
- Q A parallel plate capacitor is charged and then charging battery is disconnected If the plates are now pulled apart with insulated handles The capacitance increases Potential energy decreases Potential difference...
- Q A battery of e m f E and internal resistance r is connected to a variable extern resistance R i Find the value of R so that a current in...
- Q V Find heat dissipated in the circuit after switch S is closed C o 112cv2 2 NIW 3232cv2 2 S 2V C hr V 3
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