Question 1 of 5
In a purely inductive AC circuit, what is the phase relationship between voltage and current?
In an inductive circuit, the inductor opposes changes in current, causing the current to lag behind the voltage by 90 degrees.
Question 2 of 5
What causes the 90-degree phase shift in an inductive circuit?
The alternating current creates a magnetic field, and the changing magnetic field induces a voltage that opposes the change in current, resulting in the phase shift.
Question 3 of 5
According to Lenz's Law, how does the induced voltage in a coil relate to the applied voltage?
Lenz's Law states that the induced voltage opposes the change in current that created it.
Question 4 of 5
Where is the rate of change of current maximum in a sinusoidal current waveform?
The rate of change is greatest at the points where the current crosses zero.
Question 5 of 5
What is the self-induction voltage value when the current curve is at its maximum or minimum?
The rate of change of current is zero at the maximum and minimum points, resulting in zero self-induction voltage.
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