AIIMS Physics: Questions 473 - 475 of 500

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Question number: 473

» Electrostatics » Electric Field Due to a Dipole

Appeared in Year: 1997

MCQ▾

Question

The electric dipole is placed along the x - axis at the origin O. A point P is at a distance of Equation from this origin such that OP makes an angle Equation with the x - axis. If the electric field at P makes an angle Equation with the x - axis, the value of Equation would be – [MP PMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 474

» Current Electricity » Electric Current

MCQ▾

Question

A current of Equation exists in a copper wire of cross - section Equation . Assuming each copper atom contributes one free electron. Calculate the drift speed of the free electrons in the wire. The density of copper is Equation and atomic mass Equation .

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 475

» Electrostatics » Electric Potential

Appeared in Year: 1993

MCQ▾

Question

Two charges Equation and Equation are located at A and B separated by Equation . The distance of the point from Equation on line Equation at which the electric potential is zero is given by – [MP PMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

10 cm

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