Electromagnetic Induction - Result Question 37

37. The total charge induced in a conducting loop when it is moved in a magnetic field depends on

[1990]

(a) the rate of change of magnetic flux

(b) initial magnetic flux only

(c) the total change in magnetic flux

(d) final magnetic flux only

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Answer:

Correct Answer: 37. (c)

Solution:

(c) e=dϕdt;i=eR=1Rdϕdt

Total charge induced =idt=1Rdϕdtdt

=1Rϕ1ϕ2dϕ=1R(ϕ2ϕ1)



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