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1. |
A voltage v (t) = 100sinωt is applied to a circuit. The current flowing through the circuit is i(t) = 15sin( ωt-30⁰). Find the effective value of voltage.$ |
A. | 70 |
B. | 71 |
C. | 72 |
D. | 73 |
Answer» C. 72 | |