Q.1/ Choos a, b, c, or d: 1- Which of the following factors would decrease the resistance of the electrical wire? a. Increasing the resistivity b. Increasing the cross-sectional area of wire. c. Decreasing the cross-sectional area of wire. d. Increasing the length of wire. 2- What will be the resistivity of a metal wire of 2 m length and 0.6 mm in diameter, if the resistance of the wire is 50 2. a. 70.65 x 107 Qm b.75.65x107 2m c. 55.65x107 2m d. 80.65x107 Qm 3- A cable has a resistance of 27 2 at a temperature 35 °C and the temperature coefficient of resistance at 0 °C is 0.0038. The resistance of cable at 0°C is: a. 23.83 2 b. 20.83 2 c. 28. 23 N d. 13.24 2 4- Consider a circuit with two unequal resistances connected in parallel, then:
Q.1/ Choos a, b, c, or d: 1- Which of the following factors would decrease the resistance of the electrical wire? a. Increasing the resistivity b. Increasing the cross-sectional area of wire. c. Decreasing the cross-sectional area of wire. d. Increasing the length of wire. 2- What will be the resistivity of a metal wire of 2 m length and 0.6 mm in diameter, if the resistance of the wire is 50 2. a. 70.65 x 107 Qm b.75.65x107 2m c. 55.65x107 2m d. 80.65x107 Qm 3- A cable has a resistance of 27 2 at a temperature 35 °C and the temperature coefficient of resistance at 0 °C is 0.0038. The resistance of cable at 0°C is: a. 23.83 2 b. 20.83 2 c. 28. 23 N d. 13.24 2 4- Consider a circuit with two unequal resistances connected in parallel, then:
Introductory Circuit Analysis (13th Edition)
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![Q.1/ Choos a, b, c, or d:
1- Which of the following factors would decrease the resistance of the electrical wire?
a. Increasing the resistivity
b. Increasing the cross-sectional area of wire.
c. Decreasing the cross-sectional area of wire.
d. Increasing the length of wire.
2- What will be the resistivity of a metal wire of 2 m length and 0.6 mm in diameter, if the
resistance of the wire is 50 2.
a. 70.65 x 107 Qm b.75.65x107 2m c. 55.65x107 2m
d. 80.65x107 Qm
3- A cable has a resistance of 27 2 at a temperature 35 °C and the temperature coefficient
of resistance at 0 °C is 0.0038. The resistance of cable at 0°C is:
a. 23.83 2
b. 20.83 2
c. 28. 23 N
d. 13.24 2
4- Consider a circuit with two unequal resistances connected in parallel, then:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fac0220d5-6563-4a49-b805-43d43bf185d1%2F29dec5ab-6b36-4756-b156-b44ffd1992f0%2Fdo0x6b8.jpeg&w=3840&q=75)
Transcribed Image Text:Q.1/ Choos a, b, c, or d:
1- Which of the following factors would decrease the resistance of the electrical wire?
a. Increasing the resistivity
b. Increasing the cross-sectional area of wire.
c. Decreasing the cross-sectional area of wire.
d. Increasing the length of wire.
2- What will be the resistivity of a metal wire of 2 m length and 0.6 mm in diameter, if the
resistance of the wire is 50 2.
a. 70.65 x 107 Qm b.75.65x107 2m c. 55.65x107 2m
d. 80.65x107 Qm
3- A cable has a resistance of 27 2 at a temperature 35 °C and the temperature coefficient
of resistance at 0 °C is 0.0038. The resistance of cable at 0°C is:
a. 23.83 2
b. 20.83 2
c. 28. 23 N
d. 13.24 2
4- Consider a circuit with two unequal resistances connected in parallel, then:
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