Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 2.5 mV 16 mV 1.6 mV 160 mV 2.5 mV 16 mV 1.6 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if the iron core is removed the number of turns is decreased None of these the length of the coil decreases the iron core is removed the number of turns is decreased None of these the length of the coil decreases ANSWER DOWNLOAD EXAMIANS APP
Inductors Three 15 mH inductors are in series. The total inductance is 15 mH 5 mH 45 mH 30 mH 15 mH 5 mH 45 mH 30 mH 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 VL = VR VL > VR VR ≥ VL VL < VR VL = VR VL > VR VR ≥ VL ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field increases doubles decreases remains the same increases doubles decreases remains the same 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 mA 87 A 870 mA 337 mA 87 mA 87 A 870 mA ANSWER DOWNLOAD EXAMIANS APP