A capacitor stores 5 microfarads of charge at a voltage of 10 volts. What is the energy stored in the capacitor?
Practice Questions
1 question
Q1
A capacitor stores 5 microfarads of charge at a voltage of 10 volts. What is the energy stored in the capacitor?
0.25 mJ
0.5 mJ
0.75 mJ
1 mJ
The energy stored in a capacitor is given by the formula E = 0.5 * C * V^2. Here, E = 0.5 * 5 * 10^-6 F * (10 V)^2 = 0.5 * 5 * 10^-6 * 100 = 0.25 mJ.
Questions & Step-by-step Solutions
1 item
Q
Q: A capacitor stores 5 microfarads of charge at a voltage of 10 volts. What is the energy stored in the capacitor?
Solution: The energy stored in a capacitor is given by the formula E = 0.5 * C * V^2. Here, E = 0.5 * 5 * 10^-6 F * (10 V)^2 = 0.5 * 5 * 10^-6 * 100 = 0.25 mJ.
