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12. An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is ________.
(a) 1 mA
(b) 10 mA
(c) 100 mA
(d) 1 A
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5555555555 12. When 12 V are applied across a 68 Ω resistor, the current is ________. (a) 816 mA (b) 17.6 mA (c) 176 mA (d) 8.16 mA- 5555555555 9. The voltage induced across a certain coil is 200 mV. A 120 Ω resistor is connected to the coil terminals. The induced current is ________. (a) 1.7 mA (b) 16 mA (c) 12 mA (d) 120 mA
- 5555555555 35. When the current through a 12 kΩ resistor is 8 mA, the power is ________. (a) 7.68 mW (b) 768 mW (c) 7.68 W (d) 76.8 W
- 5555555555 34. For 12 V and 40 mA, the power is ________. (a) 480 mW (b) 0.480 W (c) 480,000 µW (d) all of the above
- 5555555555 5. An inductance of 0.08 μH is larger than ________. (a) 0.0000008 H (b) 0.000000008 H (c) 0.000008 H (d) 0.00008 mH