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  • The ratio of induced emf in a coil of 50 turns and area A oscillating at frequency 50 Hz to that in a coil of 100 turns and same area oscillating at frequency 100 Hz is :<div class='qna-option'

The ratio of induced emf in a coil of 50 turns and area A oscillating at frequency 50 Hz to that in a coil of 100 turns and same area oscillating at frequency 100 Hz is :

Option: 1

0.25


Option: 2

0.50


Option: 3

0.75


Option: 4

1.00


Answers (1)

best_answer

\mathrm{\mathrm{E} \propto \mathrm{nAB} \omega . \text { Therefore } \frac{E_1}{E_2}=\frac{n_1 \omega_1}{n_2 \omega_2}=\frac{50 \times 50}{100 \times 100} \text {. }}

Posted by

sudhir kumar

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