6. Which of the following is not the same as 1 watt? A. 1 joule/second B. 1 ampere/volt C. 1 ampere-volt D. 1 ohm-(ampere)² 7. We use to control electric curront in
6. Which of the following is not the same as 1 watt? A. 1 joule/second B. 1 ampere/volt C. 1 ampere-volt D. 1 ohm-(ampere)² 7. We use to control electric curront in
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Transcribed Image Text:6. Which of the following is not the same as 1 watt?
A. 1 joule/second B. 1 ampere/volt
7. We use_ to control electric current in a circuit.
B. insulator
C. 1 ampere-volt
D. 1 ohm-(ampere)²
A. resistor
C. conductor
D. wire
8. Temperature coefficient of resistance is expressed in terms of
A. ohms /°C
9. Two aluminium conductors have equal length. The cross-sectional area of one conductor is four
B. mhos /°C
C. ohms / ohms °C
D. mhos /ohm °C
times that of the other. If the conductor having smaller cross-sectional area has a resistance of 100 ohms
the resistance of the other conductor will be
C. 50 ohms
10. Which of the following resistive materials has the lowest temperature coefficient of resistance?
C. aluminum
A. 400 ohms
B. 100 ohms
D. 25 ohms
A. nichrome
B. silver
D. copper
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