Electrostatics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 95 - 98 of 109

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Question number: 95

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

In bringing an electron towards another electron, electrostatic potential energy of the system:

Choices

Choice (4) Response

a.

Increases

b.

Remains unchanged

c.

Decreases

d.

Becomes zero

Question number: 96

» Electrostatics » Capacitors

MCQ▾

Question

The false statement are, on increasing the distance between the plates of a parallel plate condenser,

(1) The electric field intensity between the plates will decrease

(2) The electric field intensity between the plates will increase

(3) The P. D. between the plates will decrease

(4) The electric field intensity between the plates will remain unchanged

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1,2 and 3 are correct

b.

2 and 4 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

Question number: 97

» Electrostatics » Electric Potential

MCQ▾

Question

A point Q lies on the perpendicular bisector of an electrical dipole of dipole moment p. If the distance of Q from the dipole is r (much larger than the size of the dipole), then electric field at Q is proportional to

Choices

Choice (4) Response

a.

p -1 and r -2

b.

p and r -2

c.

p and r -3

d.

P 2 and r -3

Question number: 98

» Electrostatics » Electric Potential

MCQ▾

Question

Two electric charges 12 μC and -6 μ C are placed 20 cm apart in air. If there will be a point P on the line joining these charges and outside the region between them, at which the electric potential is zero, and then the distance of P from - 6μC charge is

Choices

Choice (4) Response

a.

0.20 m

b.

0.15 m

c.

0.25 m

d.

0.10 m

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