What happens to the voltage across a capacitor when it is fully charged?
Correct Answer: Supply voltage
- Step 1: Understand what a capacitor is. A capacitor is a device that stores electrical energy.
- Step 2: Know that a capacitor is connected to a power supply (like a battery) to charge it.
- Step 3: When the capacitor is charging, it accumulates electrical energy and the voltage across it increases.
- Step 4: Continue charging the capacitor until it reaches its maximum capacity.
- Step 5: When the capacitor is fully charged, it cannot store any more energy.
- Step 6: At this point, the voltage across the capacitor becomes equal to the voltage of the power supply.
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