### Electrical Circuits

1. "Any resistance R in a branch of a network in which a current I is flowing can be replaced by a voltage equal to IR". This states

1. Compensation theorem
2. Reciprocity theorem
3. Millman's theorem
4. Superposition theorem

Compensation theorem

2. A 0.09 microfarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor has a resistance of 20,000 ohms?

1. 1.5
2. 2.5
3. 1.25
4. 0.5

1.25

3. A 5 μF capacitor charge to 5V has a stored charge equal to

1. 1 μc
2. 5 μc
3. 25 μC
4. 200 μc

25 μC

4. A capacitance of 0.05 μF equals

1. 0.05 x 106 F
2. 0.05 x 10-12 F
3. 0.05 x 10-12 F
4. 0.05 x 1012 F

0.05 x 10-12 F

5. A capacitance of 6 μμF means

1. 6 pF
2. 6 nF
3. 6 fF
4. 6 aF

6 pF

6. A capacitive load always has a __________ power facto

2. Lagging
3. Zero
4. Unity

7. A capacitor consists of two

1. Conductors only
2. Dielectric only
3. Conductors separated by a dielectric
4. Dielectric separated by a conductor

Conductors separated by a dielectric

8. A capacitor is basically constructed of

1. Two conductors separated by a dielectric
2. Two dielectric separated by a conductor
3. Conductors and dielectric
4. Conductors and semiconductors

Two conductors separated by a dielectric

9. A capacitor is used to

1. Block dc current
2. Pass dc current
3. Open voltage source
4. Short the voltage source