1

AIEEE 2008

MCQ (Single Correct Answer)

+4

-1

Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area $$A=$$ $$10\,\,c{m^2}$$ and length $$=20$$ $$cm$$ . If one of the solenoid has $$300$$ turns and the other $$400$$ turns, their mutual inductance is

$$\left( {{\mu _0} = 4\pi \times {{10}^{ - 7}}\,Tm\,{A^{ - 1}}} \right)$$

$$\left( {{\mu _0} = 4\pi \times {{10}^{ - 7}}\,Tm\,{A^{ - 1}}} \right)$$

2

AIEEE 2007

MCQ (Single Correct Answer)

+4

-1

An ideal coil of $$10H$$ is connected in series with a resistance of $$5\Omega $$ and a battery of $$5V$$. $$2$$ second after the connection is made, the current flowing in ampere in the circuit is

3

AIEEE 2006

MCQ (Single Correct Answer)

+4

-1

Which of the following units denotes the dimension $${{M{L^2}} \over {{Q^2}}}$$, where $$Q$$ denotes the electric charge?

4

AIEEE 2006

MCQ (Single Correct Answer)

+4

-1

The flux linked with a coil at any instant $$'t'$$ is given by

$$\phi = 10{t^2} - 50t + 250$$

The induced $$emf$$ at $$t=3s$$ is

$$\phi = 10{t^2} - 50t + 250$$

The induced $$emf$$ at $$t=3s$$ is

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

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