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The magnetic induction in the region between the pole faces of an electromagnet is 0.7 weber/m². The induced e.m.f. in a straight conductor 10 cm long and moving at an angle of 30^o to the magnetic induction with a velocity 2 m/sec is ( emf in Volts)

Option: 1

0.07

Option: 2

0.28

Option: 3

0.42

Option: 4

0.14

Answers (1)

best_answer

$\\ \varepsilon =Blvsin\theta \\ \\ \varepsilon = 0.7 \times 2 \times\left(10 \times 10^{-2}\right) \times sin 30^o=0.07 V$

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seema garhwal

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