Magnetic Effects of Current and Magnetism-Ampere's Law (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 2 of 2

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Question number: 1

» Magnetic Effects of Current and Magnetism » Ampere's Law

MCQ▾

Question

A long straight wire Equation carries a constant current distributed uniformly over a cross section perpendicular to the axis of the wire. If the current density is Equation . The magnitudes of the magnetic field at

(a) 3.0 mm from the axis of the wire and

(b) 6.0 mm from the axis of the wire is: -

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Magnetic Effects of Current and Magnetism » Ampere's Law

MCQ▾

Question

A current of Equation flows through two long parallel wires. The magnetic force on each wire is Equation If their currents makes doubled and separation between them makes Equation of initial value then magnetic force per unit length of each wire becomes –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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