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 6 V 12 V 0 V 4 V 6 V 12 V 0 V 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? 400 mA 78 mA 91 mA 57 mA 400 mA 78 mA 91 mA 57 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 16 mV 1.6 mV 2.5 mV 160 mV 16 mV 1.6 mV 2.5 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The winding resistance of a coil can be increased by increasing the number of turns or using thinner wire using a thinner wire changing the core material increasing the number of turns increasing the number of turns or using thinner wire using a thinner wire changing the core material increasing the number of turns 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 337 mA 87 A 87 mA 870 mA 337 mA 87 A 87 mA 870 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is partly shorted good shorted open partly shorted good shorted open ANSWER DOWNLOAD EXAMIANS APP
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