Inductors An inductor, a 1 k resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is 12 V 6 V 4 V 0 V 12 V 6 V 4 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the length of the coil decreases the number of turns is decreased None of these the iron core is removed the length of the coil decreases the number of turns is decreased None of these the iron core is removed ANSWER DOWNLOAD EXAMIANS APP
Inductors Two inductors, L1 and L2, are in parallel. L1 has a value of 25 H and L2 a value of 50 H. The parallel combination is in series with L3, a 20 H coil. The entire combination is across an ac source of 60 Vrms at 300 kHz. The total rms current is 870 mA 87 mA 337 mA 87 A 870 mA 87 mA 337 mA 87 A ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.0000008 H 0.000008 H 0.00008 mH 0.000000008 H 0.0000008 H 0.000008 H 0.00008 mH 0.000000008 H ANSWER DOWNLOAD EXAMIANS APP
Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 18 mV 1.25 mV 1.8 mV 180 mV 18 mV 1.25 mV 1.8 mV 180 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed? 78 mA 57 mA 91 mA 400 mA 78 mA 57 mA 91 mA 400 mA ANSWER DOWNLOAD EXAMIANS APP
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