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 The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is 18 mV 180 mV 1.25 mV 1.8 mV 18 mV 180 mV 1.25 mV 1.8 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current does not change momentarily goes to zero is decreased is increased does not change momentarily goes to zero is decreased is increased ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 160 mV 1.6 mV 16 mV 2.5 mV 160 mV 1.6 mV 16 mV 2.5 mV ANSWER DOWNLOAD EXAMIANS APP
Inductors An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 1 mA 10 mA 100 mA 1 A 1 mA 10 mA 100 mA 1 A ANSWER DOWNLOAD EXAMIANS APP
Inductors A 320 H coil is in series with a 3.3 k resistor. How long does it take for current to build up to its full value? 0.48 ms 48 s 0.48 μs 0.48 s 0.48 ms 48 s 0.48 μs 0.48 s ANSWER DOWNLOAD EXAMIANS APP