Which of the following is true about the synchronicity between the applied volta

Question

Which of the following is true about the synchronicity between the applied voltage and the current in an RLC AC circuit? Assume R, L, and C are each non-zero.
1. The applied voltage is synchronized with the current through the capacitor.
2. The applied voltage is synchronized with the current through the inductor.
3. The synchronicity, or lack thereof, depends upon several values and no universal statement can be made without knowing those values.
4. The applied voltage is synchronized with the current through the resistor.

Explanation / Answer

In alternating current, the applied voltage is always in same phase as that of current through resistor. So it is always synchronised with the current through resistor.

So, option (4) is correct.

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