Inductors The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 180 mV 18 mV 1.25 mV 1.8 mV 180 mV 18 mV 1.25 mV 1.8 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? 400 mA 91 mA 57 mA 78 mA 400 mA 91 mA 57 mA 78 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.43 mH is smaller than 430 μH 0.05 H 43 μH 0.00043 H 430 μH 0.05 H 43 μH 0.00043 H 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? 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 1.6 mV 16 mV 160 mV 2.5 mV 1.6 mV 16 mV 160 mV 2.5 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is open partly shorted good shorted open partly shorted good shorted ANSWER DOWNLOAD EXAMIANS APP