Curioustab

Home » Electrical Engineering » Inductors

When the current through an inductor decreases, the amount of energy stored in the electromagnetic field

increases
decreases
remains the same
doubles

Correct Answer: decreases

← Previous Question Next Question→

More Questions from Inductors

An inductor, a 1 kΩ resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is
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
A 240 µH inductor is equivalent to a
Five inductors are connected in series. The lowest value is 8 μH. If the value of each inductor is twice that of the preceding one, and if the inductors are connected in order of ascending values, the total inductance is
The winding resistance of a coil can be increased by
When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field
An inductance of 0.43 mH is smaller than
A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is
The voltage across a coil when di/dt = 20 mA/µs and L = 8 µH is
The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion