Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current is increased does not change is decreased momentarily goes to zero is increased does not change is decreased momentarily goes to zero ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 160 mV 16 mV 2.5 mV 1.6 mV 160 mV 16 mV 2.5 mV 1.6 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the number of turns is decreased the iron core is removed None of these the length of the coil decreases the number of turns is decreased the iron core is removed None of these the length of the coil decreases 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 91 mA 78 mA 57 mA 400 mA 91 mA 78 mA 57 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is 9.9 mH greater than 5 mH 9.9 mH or greater than 5 mH less than 0.6 mH 9.9 mH greater than 5 mH 9.9 mH or greater than 5 mH less than 0.6 mH ANSWER DOWNLOAD EXAMIANS APP
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 6 V 0 V 12 V 4 V 6 V 0 V 12 V 4 V ANSWER DOWNLOAD EXAMIANS APP
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