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 VR ≥ VL VL > VR VL < VR VL = VR VR ≥ VL VL > VR VL < VR VL = VR ANSWER DOWNLOAD EXAMIANS APP
Inductors An inductance of 0.43 mH is smaller than 430 μH 43 μH 0.00043 H 0.05 H 430 μH 43 μH 0.00043 H 0.05 H 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 6.9 μH 155 μH 2.2 μH 14 μH 6.9 μH 155 μH 2.2 μH 14 μH ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 2.5 mV 1.6 mV 16 mV 160 mV 2.5 mV 1.6 mV 16 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors When the current through an inductor decreases, the amount of energy stored in the electromagnetic field remains the same decreases increases doubles remains the same decreases increases doubles ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS