1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : A metallic surface is moved in and out in magnetic field then emf is induced in it.

Reason : Eddy current will be produced in a metallic surface moving in and out of magnetic field.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

A system $$S$$ consists of two coils $$A$$ and $$B$$. The coil $$A$$ carries a steady current $$I$$. While the coil $$B$$ is suspended nearby as shown in figure. Now, if the system is heated, so as to raise the temperature of two coils steadily, then

AIIMS 2018 Physics - Electromagnetic Induction Question 1 English

A
the two coils shows attraction
B
the two coils shows repulsion
C
there is no change in the position of the two coils
D
induced current are not possible in coil $$B$$
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

A circular loop of radius 0.3 cm lies parallel to a much bigger circular loop of radius 20 cm. The centre of the small loop on the axis of the bigger loop. The distance between their centres is 15 cm. If a current of 20 A flows through the smaller loop, then the flux linked with bigger drop is

A
$$9.1 \times 10^{-11} \mathrm{~Wb}$$
B
$$6 \times 10^{-11} \mathrm{~Wb}$$
C
$$3.3 \times 10^{-11} \mathrm{~Wb}$$
D
$$6.6 \times 10^{-9} \mathrm{~Wb}$$
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