as a result of change in the magnetic flux linked to the

As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf $$V$$ volt is induced in the loop. The work done (joule) in taking a charge $$q$$ coulomb once along the loop is
Electromagnetic Induction mcq question image

Electromagnetic Induction mcq question image

A. $$qV$$

B. zero

C. $$2\,qV$$

D. $$\frac{{qV}}{2}$$

Answer : $$qV$$

Solution :
Work done in moving a charge through potential difference $$V$$ is given by $$W = qV$$

Releted MCQ Question on
Electrostatics and Magnetism >> Electromagnetic Induction

Releted Question 1

A thin circular ring of area $$A$$ is held perpendicular to a uniform magnetic field of induction $$B.$$ $$A$$ small cut is made in the ring and a galvanometer is connected across the ends such that the total resistance of the circuit is $$R.$$ When the ring is suddenly squeezed to zero area, the charge flowing through the galvanometer is

A. $$\frac{{BR}}{A}$$

B. $$\frac{{AB}}{R}$$

C. $$ABR$$

D. $$\frac{{{B^2}A}}{{{R^2}}}$$

View Answer

Releted Question 2

A thin semi-circular conducting ring of radius $$R$$ is falling with its plane vertical in horizontal magnetic induction $$\overrightarrow B .$$ At the position $$MNQ$$ the speed of the ring is $$v,$$ and the potential difference developed across the ring is

A. zero

B. $$\frac{{Bv\pi {R^2}}}{2}$$ and $$M$$ is at higher potential

C. $$\pi RBv$$ and $$Q$$ is at higher potential

D. $$2RBv$$ and $$Q$$ is at higher potential

View Answer

Releted Question 3

Two identical circular loops of metal wire are lying on a table without touching each other. Loop-$$A$$ carries a current which increases with time. In response, the loop-$$B$$

A. remains stationary

B. is attracted by the loop-$$A$$

C. is repelled by the loop-$$A$$

D. rotates about its $$CM,$$ with $$CM$$ fixed

View Answer

Releted Question 4

A coil of inductance $$8.4 mH$$ and resistance $$6\,\Omega $$ is connected to a $$12 V$$ battery. The current in the coil is $$1.0 A$$ at approximately the time

A. $$500 s$$

B. $$25 s$$

C. $$35 ms$$

D. $$1 ms$$

View Answer

As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf $$V$$ volt is induced in the loop. The work done (joule) in taking a charge $$q$$ coulomb once along the loop is

Releted MCQ Question on
Electrostatics and Magnetism >> Electromagnetic Induction

A thin semi-circular conducting ring of radius $$R$$ is falling with its plane vertical in horizontal magnetic induction $$\overrightarrow B .$$ At the position $$MNQ$$ the speed of the ring is $$v,$$ and the potential difference developed across the ring is

Two identical circular loops of metal wire are lying on a table without touching each other. Loop-$$A$$ carries a current which increases with time. In response, the loop-$$B$$

A coil of inductance $$8.4 mH$$ and resistance $$6\,\Omega $$ is connected to a $$12 V$$ battery. The current in the coil is $$1.0 A$$ at approximately the time

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Electromagnetic Induction

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As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf $$V$$ volt is induced in the loop. The work done (joule) in taking a charge $$q$$ coulomb once along the loop is

Releted MCQ Question on Electrostatics and Magnetism >> Electromagnetic Induction

A thin semi-circular conducting ring of radius $$R$$ is falling with its plane vertical in horizontal magnetic induction $$\overrightarrow B .$$ At the position $$MNQ$$ the speed of the ring is $$v,$$ and the potential difference developed across the ring is

Two identical circular loops of metal wire are lying on a table without touching each other. Loop-$$A$$ carries a current which increases with time. In response, the loop-$$B$$

A coil of inductance $$8.4 mH$$ and resistance $$6\,\Omega $$ is connected to a $$12 V$$ battery. The current in the coil is $$1.0 A$$ at approximately the time

Practice More Releted MCQ Question on Electromagnetic Induction

Practice More MCQ Question on Physics Section

Releted MCQ Question on
Electrostatics and Magnetism >> Electromagnetic Induction

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Electromagnetic Induction