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 0 V 12 V 4 V 6 V 0 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field decreases increases remains the same doubles decreases increases remains the same doubles ANSWER DOWNLOAD EXAMIANS APP
Inductors Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals? 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ 1.3 MΩ 660 kΩ 66 kΩ 219 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then VL < VR VR ≥ VL VL > VR VL = VR VL < VR VR ≥ VL VL > VR VL = VR ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the iron core is removed the length of the coil decreases None of these the number of turns is decreased the iron core is removed the length of the coil decreases None of these the number of turns is decreased 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
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