1

AIEEE 2004

MCQ (Single Correct Answer)

+4

-1

A coil having $$n$$ turns and resistance $$R\Omega $$ is connected with a galvanometer of resistance $$4R\Omega .$$ This combination is moved in time $$t$$ seconds from a magnetic field $${W_1}$$ weber to $${W_2}$$ weber. The induced current in the circuit is

2

AIEEE 2004

MCQ (Single Correct Answer)

+4

-1

In a uniform magnetic field of induction $$B$$ a wire in the form of a semicircle of radius $$r$$ rotates about the diameter of the circle with an angular frequency $$\omega .$$ The axis of rotation is perpendicular to the field. If the total resistance of the circuit is $$R,$$ the mean power generated per period of rotation is

3

AIEEE 2004

MCQ (Single Correct Answer)

+4

-1

A metal conductor of length $$1$$ $$m$$ rotates vertically about one of its ends at angular velocity $$5$$ radians per second. If the horizontal component of earth's magnetic field is $$0.2 \times {10^{ - 4}}T,$$ then the $$e.m.f.$$ developed between the two ends of the conductor is

4

AIEEE 2003

MCQ (Single Correct Answer)

+4

-1

Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon

Questions Asked from Electromagnetic Induction (MCQ (Single Correct Answer))

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