Basic Electrical Engineering Practice Test 3

1. If an 8/9ohm, 4/3ohm and 2/3ohm resistor is connected in star, find its delta equivalent.

2. A capacitor does not allow sudden changes in _________

3. Calculate the time constant of a series RC circuit consisting of a 100microF capacitor in series with a 100ohm resistor.

4. The total voltage drop across a series of capacitors is __________

5. A power factor of a circuit can be improved by placing which, among the following, in a circuit?

6. Calculate the voltage across the 6F capacitor.

7. Which of the following expressions is correct with respect to the voltage across capacitors in series?

8. What happens to the capacitance when the voltage across the capacitor increases?

9. Calculate the voltage across the 2F capacitor.

10. Which of the following is a passive device?