EXAMIANS
When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field
YOUR ANSWER : ?
YOUR ANSWER : ?
An inductance of 0.08 μH is larger than
YOUR ANSWER : ?
A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is
YOUR ANSWER : ?
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
YOUR ANSWER : ?
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?
YOUR ANSWER : ?
An inductance of 0.43 mH is smaller than
YOUR ANSWER : ?
An 18 V power supply is connected across a coil with a winding resistance of 180 . Current flow in the coil is
YOUR ANSWER : ?
A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current
YOUR ANSWER : ?
The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is
YOUR ANSWER : ?
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
YOUR ANSWER : ?