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SSC JE Magnetic Circuits Quiz 50

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Question 1

When the relative permittivity of the medium is increased, the force between two charges placed at a given distance apart

Question 2

The force between two charges separated by a distance d in air is 10 N. When the charges are placed same distance apart in a medium of dielectric constant Description: Description: Description: 5_Electrostatics-final_files\image009.png, the force between them is 2 N. What is the value of Description: Description: Description: 5_Electrostatics-final_files\image009.png?

Question 3

Two free protons are separated by a distance of 1A. If they are released, the kinetic energy of each proton when at infinite separation is

Question 4

In a hydrogen atom, the electron revolves around the proton in an orbit of 0.53 A. The potential produced by the electron on the nucleus is

Question 5

Three parallel plates each of area Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image021.png with separation Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image044.png between first and second and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image045.png between second and third are arranged to form a capacitor. If the dielectric constants are Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image046.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image047.png the capacitance of this capacitor is

Question 6

A particle A has charge +q and particle B has charge of +4q with each of them having the same mass m. When both the particles are allowed to fall from rest through the same potential difference, the ratio of their speeds Description: Description: Description: 5_Electrostatics-final_files\image122.png

Question 7

An uncharged capacitor with a solid dielectric is connected to a similar air capacitor charged to a potential Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image179.png If the common potential after sharing of charges is Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image180.png then dielectric constant of the dielectric is

Question 8

Two spherical conductors Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image021.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image113.png of radii Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image187.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image188.png are placed concentrically in air. Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image021.png is given a charge Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image189.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image113.png is earthed. The equivalent capacitance of the system is [See Fig. 6.32]

Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image190.png

Question 9

The charge on one plate of a 3μF capacitor is 0.12 mC. The energy stored in the capacitor is

Question 10

Two parallel plate capacitors of capacitances Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image011.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image337.png are connected in parallel and charged to potential Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image323.png The battery is then disconnected. The space between the plates of the first is filled with a dielectric of dielectric constant Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image338.png The potential across the capacitors is
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Shivang AgrawalShivang AgrawalMember since Jan 2020
M.tech(NIT Nagpur) GATE Ranker[2015-18]
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