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

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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

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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

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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

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5. A capacitance of 6 μμF means

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

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6. A capacitive load always has a __________ power facto

1. Leading
2. Lagging
3. Zero
4. Unity

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7. A capacitor consists of two

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

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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

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9. A capacitor is used to

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

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10. A capacitor of 0.5 μF charged to 220 V is connected across an uncharged 0.5 μF capacitor. What is the voltage across each capacitor?

1. 220 V
2. 150 V
3. 110 V
4. 22 V

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