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? 57 mA 400 mA 78 mA 91 mA 57 mA 400 mA 78 mA 91 mA ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 240 H inductor 0.240 mH inductor 240 mH inductor 0.000240 mH inductor 240 H inductor 0.240 mH inductor 240 mH inductor 0.000240 mH inductor 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 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 1 A 100 mA 1 mA 10 mA 1 A 100 mA 1 mA 10 mA 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 The inductance of an iron-core coil decreases if the number of turns is decreased the iron core is removed None of these the length of the coil decreases the number of turns is decreased the iron core is removed None of these the length of the coil decreases ANSWER DOWNLOAD EXAMIANS APP
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