Basic Electrical Engineering Practice Test 4

1. The charging time constant of a circuit consisting of a capacitor is the time taken for the charge in the capacitor to become __________ % of the initial charge.

2. Potential drop in a dielectric is equal to _______

3. In an RC series circuit, when the switch is closed and the circuit is complete, what is the response?

4. What happens to the capacitance of a multi plate capacitor when the number of plates increases?

5. What is the value of current in a charging capacitive circuit if the initial current is 2A at time t=RC.

6. If the switch is closed at t=0, what is the current in the circuit?

7. Calculate di(0)/dt if the switch is closed at t=0.

8. When will be capacitors fully charged?

9. Which is the correct expression for capacitance of a multi plate capacitor?

10. Gauss law is applicable for_________