Q: The magnetic flux linked with a coil is ϕ = 8t²+ 3t + 5 weber. The emf induced in the coil at t = 4 second will be - एक कुण्डली से सम्बद्ध चुम्बकीय फ्लक्स ϕ = 8t² + 3t + 5 वेबर हैं। t = 4 सेकण्ड पर कुण्डली में प्रेरित विद्युत वाहक बल होगा-
A.
16 V
B.
139 V
C.
67 V
D.
145 V
Correct Answer:
Option C -
Explanations:
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