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What happens to the voltage across a capacitor when it is fully charged?
What happens to the voltage across a capacitor when it is fully charged?
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Practice Questions
1 question
Q1
What happens to the voltage across a capacitor when it is fully charged?
It becomes zero
It equals the supply voltage
It becomes negative
It fluctuates
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When a capacitor is fully charged, the voltage across it equals the supply voltage.
Questions & Step-by-step Solutions
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Q
Q: What happens to the voltage across a capacitor when it is fully charged?
Solution:
When a capacitor is fully charged, the voltage across it equals the supply voltage.
Steps: 6
Show Steps
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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