Electrostatics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 59 - 62 of 109

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Question number: 59

» Electrostatics » Electric Potential

MCQ▾

Question

Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V = 0 at infinity, the electrostatic potential V and the electric field E at the center C are

Choices

Choice (4) Response

a.

V ≠ 0 and Equation

b.

V = 0 and Equation

c.

V = 0 and Equation

d.

V ≠ 0 and Equation

Question number: 60

» Electrostatics » Capacitors

MCQ▾

Question

There is an air filled l pF parallel plate capacitor. When the plate separation is doubled and the space is filled with wax, the capacitance increases to 2pF. The dielectric constant of wax is

Choices

Choice (4) Response

a.

6

b.

YO

8

c.

4

d.

2

Question number: 61

» Electrostatics » Capacitors

MCQ▾

Question

In the figure a capacitor is filled with dielectrics K 1, K 2 and K 3. The resultant capacitance is

Capacitor filled with dielectrics

Capacitor Filled With Dielectrics

In figure a capacitor filled with dielectrics K1, K2 and K3.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

None of the above

Question number: 62

» Electrostatics » Capacitors

MCQ▾

Question

parallel plate capacitor of plate area A and plates separation distance d is charged by applying a potential V 0 between the plates. The dielectric constant of the medium between the plates is K. What is the uniform electric field E between the plates of the capacitor?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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