SATHEE: Electromagnetic Induction and Alternating Current 1 Question 6

Electromagnetic Induction and Alternating Current 1 Question 6

####6. The figure shows certain wire segments joined together to form a coplanar loop. The loop is placed in a perpendicular magnetic field in the direction going into the plane of

the figure. The magnitude of the field increases with time. $I_{1}$ and $I_{2}$ are the currents in the segments $a b$ and $c d$ . Then,

(2009)

(a) $I_{1} > I_{2}$

(b) $I_{1} < I_{2}$

(d) $I_{1}$ is in the direction $a b$ and $I_{2}$ is in the direction $d c$ .

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Answer:

Correct Answer: 6. (d)

Solution:

Cross $\otimes$ magnetic field passing from the closed loop is increasing. Therefore, from Lenz’s law induced current will produce dot $⊙$ magnetic field. Hence, induced current is anti-clockwise.

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Electromagnetic Induction and Alternating Current 1 Question 6

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