A capacitor is charged to a potential difference of V. What is the energy stored

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Question: A capacitor is charged to a potential difference of V. What is the energy stored in the capacitor?

Options:

Correct Answer: 1/2 CV²

Solution:

The energy (U) stored in a capacitor is given by U = 1/2 CV², where C is the capacitance and V is the potential difference.

A capacitor is charged to a potential difference of V. What is the energy stored in the capacitor?

A capacitor is charged to a potential difference of V. What is the energy stored in the capacitor?

Correct Answer: U = 1/2 CV²

Step 1: Understand that a capacitor stores energy when it is charged.
Step 2: Know that the energy stored in a capacitor is represented by the symbol U.
Step 3: Learn the formula for the energy stored in a capacitor: U = 1/2 CV².
Step 4: Identify the variables in the formula: C is the capacitance (how much charge it can hold) and V is the potential difference (voltage) across the capacitor.
Step 5: To find the energy, you need to know the values of C and V.
Step 6: Plug the values of C and V into the formula U = 1/2 CV² to calculate the energy stored.

Capacitance and Energy Storage – The relationship between capacitance, potential difference, and the energy stored in a capacitor.