NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2166 - 2168 of 2184

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Question number: 2166

» Electrostatics » Equipotential Surfaces

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Question

Equipotential surfaces

Choices

Choice (4) Response

a.

Will be more crowded near sharp edges of a conductor.

b.

Are closer in regions of large electric fields compared to regions of lower electric fields.

c.

Will be more crowded near regions of large charge densities.

d.

All a. , c. and b. are correct

Question number: 2167

» Electrostatics » Electric Charges

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In Fig, two positive charges fixed along the axis, exert a net electric force in the direction on a charge fixed along the axis. If a positive charge is added at , the force on

Image of The In Fig, two positive charges q2andq3

Image of the in Fig, Two Positive Charges q2andq3

Image of The In Fig, two positive charges q2andq3

Choices

Choice (4) Response

a.

Shall increase but the direction changes because of the intersection of with .

b.

Shall decrease along the positive x-axis.

c.

Shall increase along the positive x-axis.

d.

Shall point along the negative x-axis.

Question number: 2168

» Physics and Measurement » Technology and Society

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Question

An electron is projected with uniform velocity along the axis of a current carrying long solenoid. Which of the following is true?

Choices

Choice (4) Response

a.

The electron path will be circular about the axis.

b.

The electron will be accelerated along the axis.

c.

The electron will experience a force at to the axis and hence execute a helical path.

d.

The electron will continue to move with uniform velocity along the axis of the solenoid.