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प्रश्न
What is the magnetic flux through one turn at time \[t\]?
विकल्प
\[\Phi_B=BA\sin(\omega t)\]
\[\Phi_B=BA\cos(\omega t)\]
\[\Phi_B=BA\omega\sin(\omega t)\]
\[\Phi_B=NBA\cos(\omega t)\]
MCQ
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उत्तर
Flux through one turn is \[\Phi_B=BA\cos(\omega t)\]. The cosine reflects the changing angle between the area vector and \[B\].
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