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1. |
An alternating voltage v(t) = 220 sin 100πt volt is applied to a purely resistive load of 50 Ω. The time taken for the current to rise from half of the peak value to the peak value is: |
A. | 5 ms |
B. | 2.2 ms |
C. | 7.2 ms |
D. | 3.3 ms |
Answer» E. | |