Inductors An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is shorted partly shorted open good shorted partly shorted open good ANSWER DOWNLOAD EXAMIANS APP
Inductors The winding resistance of a coil can be increased by 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 increasing the number of turns or using thinner wire using a thinner wire changing the core material ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 1.6 mV 160 mV 2.5 mV 16 mV 1.6 mV 160 mV 2.5 mV 16 mV 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 1.25 mV 180 mV 18 mV 1.8 mV 1.25 mV 180 mV 18 mV 1.8 mV 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 following coils are in parallel: 75 H, 40 H, 25 H, and 15 H. The total inductance is approximately 14 μH 155 μH 2.2 μH 6.9 μH 14 μH 155 μH 2.2 μH 6.9 μH ANSWER DOWNLOAD EXAMIANS APP