Inductors The inductance of an iron-core coil decreases if None of these the iron core is removed the number of turns is decreased the length of the coil decreases None of these the iron core is removed the number of turns is decreased the length of the coil decreases 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 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? 91 mA 78 mA 57 mA 400 mA 91 mA 78 mA 57 mA 400 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is less than 5.5 mH 5.5 mH less than 0.2 mH 55 mH less than 5.5 mH 5.5 mH less than 0.2 mH 55 mH 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 A 1 mA 10 mA 100 mA 1 A 1 mA 10 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors The voltage across a coil when di/dt = 20 mA/s and L = 8 H is 1.6 mV 16 mV 2.5 mV 160 mV 1.6 mV 16 mV 2.5 mV 160 mV ANSWER DOWNLOAD EXAMIANS APP
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