Two coupled coils have self inductances L1 = 10 mH and L2 = 20 mH. The co-efficient of coupling (K) being 0.75 in the air. Voltage in the second coil when the current in circuit is given by I = 2 sin (314t) A is . . . . . . . .
A. 3.14cos(314t) V
B. 3.33sin(314t) V
C. 6.66cos(314t) V
D. 6.28cos(314t) V
Answer: Option C
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