Inductors When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field doubles is quartered quadruples does not change doubles is quartered quadruples does not change ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current momentarily goes to zero is decreased does not change is increased momentarily goes to zero is decreased does not change is increased 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 57 mA 78 mA 91 mA 400 mA 57 mA 78 mA 91 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.43 mH is smaller than 0.05 H 0.00043 H 430 μH 43 μH 0.05 H 0.00043 H 430 μH 43 μH 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 VR ≥ VL VL > VR VL < VR VL = VR VR ≥ VL VL > VR 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 or greater than 5 mH less than 0.6 mH greater than 5 mH 9.9 mH 9.9 mH or greater than 5 mH less than 0.6 mH greater than 5 mH 9.9 mH ANSWER DOWNLOAD EXAMIANS APP