Electromagnetic Induction & Alternating Currents-Lenz's Law (NEET Physics): Questions 1 - 4 of 5

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Question number: 1

» Electromagnetic Induction & Alternating Currents » Lenz's Law

MCQ▾

Question

Two identical coaxial circular loops carry current i each circulating in the clockwise direction. If the loops are approaching each other, then

Choices

Choice (4) Response

a.

Current in each loop remains the same

b.

Current in each loop decreases

c.

Current in each loop increases

d.

Current in one-loop increases and in the other it decreases

Question number: 2

» Electromagnetic Induction & Alternating Currents » Lenz's Law

MCQ▾

Question

A current carrying solenoid is approaching a conducting loop as shown in the figure. The direction of induced current as observed by an observer on the other side of the loop will be –

Current carrying solenoid

Current Carrying Solenoid

A current carrying solenoid is approaching a conducting loop as shown in the figure.

Choices

Choice (4) Response

a.

Clockwise

b.

West

c.

East

d.

Anti-clockwise

Question number: 3

» Electromagnetic Induction & Alternating Currents » Lenz's Law

MCQ▾

Question

Consider the arrangement shown in figure in which the north pole of a magnet is moved away from a thick conducting loop containing capacitor. Then excess positive charge will arrive on

Conducting loop containing capacitor

Conducting Loop Containing Capacitor

In figure a magnet is moved away from a thick conducting loop containing capacitor.

Choices

Choice (4) Response

a.

Neither a nor b plates

b.

Plate b

c.

plates a and b

d.

Plate a

Question number: 4

» Electromagnetic Induction & Alternating Currents » Lenz's Law

MCQ▾

Question

An electron moves along the line AB, which lies in the same plane as a circular loop of conducting wires as shown in the diagram. What will be the direction of current induced if any, in the loop?

Circular conducting loop with wire AB

Circular Conducting Loop With Wire AB

An electron moves along the line AB, which lies in the same plane as a circular loop of conducting wires as shown in the diagram.

Choices

Choice (4) Response

a.

The current will be anticlockwise

b.

No current will be induced

c.

The current will change direction as the electron passes by

d.

The current will be clockwise

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