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 4 V 12 V 0 V 6 V 4 V 12 V 0 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field quadruples is quartered doubles does not change quadruples is quartered doubles does not change 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 87 A 87 mA 870 mA 337 mA 87 A 87 mA 870 mA 337 mA 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 1.8 mV 180 mV 1.25 mV 18 mV 1.8 mV 180 mV 1.25 mV 18 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is decreased does not change is increased momentarily goes to zero is decreased does not change is increased momentarily goes to zero ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.08 μH is larger than 0.000008 H 0.000000008 H 0.00008 mH 0.0000008 H 0.000008 H 0.000000008 H 0.00008 mH 0.0000008 H ANSWER DOWNLOAD EXAMIANS APP