Inductors An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is 10 mA 100 mA 1 mA 1 A 10 mA 100 mA 1 mA 1 A ANSWER DOWNLOAD EXAMIANS APP
Inductors The inductance of an iron-core coil decreases if None of these the length of the coil decreases the iron core is removed the number of turns is decreased None of these the length of the coil decreases the iron core is removed the number of turns is decreased ANSWER DOWNLOAD EXAMIANS APP
Inductors A 240 H inductor is equivalent to a 0.000240 mH inductor 240 H inductor 240 mH inductor 0.240 mH inductor 0.000240 mH inductor 240 H inductor 240 mH inductor 0.240 mH inductor 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 Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals? 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ 219 kΩ 1.3 MΩ 66 kΩ 660 kΩ 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 is increased momentarily goes to zero is decreased does not change is increased momentarily goes to zero is decreased ANSWER DOWNLOAD EXAMIANS APP