An AC source is connected to a diode and a resistor in series. Is the current thorough the resistor AC or DC?
Answers
Answer:
The current flowing through the resistor is directly proportional to the voltage across it with this linear relationship in an AC circuit being called Impedance. As with DC circuits, Ohm's Law can be used when working with resistors in AC circuits to calculate the resistors voltages, currents and power.
The current via the resistor would be DC for only the +ve half phase (cycle) of AC.
Explanation:
- Unless the resistor and diode are in contact, the current via the resistor would be DC for only the +ve half phase (cycle) of AC. But the current via the resistor would be zero for another half cycle.
- Since a diode is a component that transforms AC into DC, current will be DC through the resistor.
Diode:- A diode is known as an electronic two-terminal portion, which only induces current in only certain (one) direction. An ideal diode should have null resistance in certain (only) one way, and infinite reverse resistance .
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