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1. |
A 320 µH coil is in series with a 3.3 kΩ resistor. How long does it take for current to build up to its full value? |
A. | 0.48 s |
B. | 0.48 ms |
C. | 0.48 µs |
D. | 48 s |
Answer» D. 48 s | |