If the charge on a capacitor is doubled, what happens to the energy stored? (2019)
Practice Questions
1 question
Q1
If the charge on a capacitor is doubled, what happens to the energy stored? (2019)
It remains the same
It doubles
It quadruples
It halves
The energy stored in a capacitor is proportional to the square of the charge (U = Q^2/(2C)). Doubling the charge increases the energy by a factor of 4.
Questions & Step-by-step Solutions
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Q
Q: If the charge on a capacitor is doubled, what happens to the energy stored? (2019)
Solution: The energy stored in a capacitor is proportional to the square of the charge (U = Q^2/(2C)). Doubling the charge increases the energy by a factor of 4.
