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Class 12 Physics Practice Test: AC Voltage Applied to an Inductor
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Avg score: 80% • Most missed: “Determine the peak current if an inductor of inductance 500 mH is connected to a…”
Class 12 Physics Practice Test: AC Voltage Applied to an Inductor
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8 Questions

1. Why does an inductor offer an easy path to dc and a resistive path to ac?
2. What is the reactance of an inductor in a dc circuit?
3. The frequency of ac is doubled. How does XL get affected?
4. In which type of circuit the value of power factor will be minimum?
5. At what frequency will a coil, which has an inductance of 2.5 H, have a reactance of 3500 Ω?
6. The inductive reactance for an ac circuit containing only an inductor is \(\frac {E_0}{X_L}\).
7. Determine the peak current if an inductor of inductance 500 mH is connected to an ac source of peak emf 650 V and frequency 100 Hz
8. Find out the rms value of current in the circuit wherein a 35 mH inductor is connected to 200 V, 70 Hz ac supply.

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