Electrical Circuits

281. Which of the following is neither a basic physical law nor deliverable from one?

1. Ohm's law
2. Coulomb's law
3. Kirchhoff's first law
4. Kirchhoff's second law

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282. Which of the following is not a factor affecting capacitance of a basic capacitor?

1. Area of plates
2. Number of plates
3. Distance between plates
4. Dielectric material used

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283. Which of the following is not a factor affecting dielectric strength?

1. Mass
2. Moisture content
3. Temperature
4. Thickness

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284. Which of the following is not considered a physical factor affecting resistance?

1. Length
2. Material type
3. Temperature
4. Cross-sectional

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285. Which of the following is the most popular waveform?

1. Sinusoidal
2. Square wave
3. Triangular
4. Sawtooth

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286. Which of the following is the peakiest?

1. Square wave
2. Sinusoidal wave
3. Triangular wave
4. Rectangular wave

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287. Which of the following is the statement of Ohm's law?

1. Electric current is directly proportional to both voltage and resistance
2. Electric current varies directly as the voltage and inversely as the resistance
3. Electrical power is directly proportional to the resistance and inversely as the current squared
4. Electrical power is directly proportional to both voltage squared and the resistance

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288. Which of the following materials has the lowest dielectric strength?

1. Glass
2. Paper
3. Mica
4. Teflon

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289. Which of the following represents the energy stored in a capacitor?

1. CV²/2
2. 2Q²/C
3. C²/V
4. CV

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290. Which of the statements below is not true?

1. Current source is an active element
2. Resistor is a linear element
3. Voltage source is a passive element
4. Diode is a non-linear element

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