1) The equivalent resistance when a resistor of 1/3 2 is connected in parallel with a 1/4 92 resistance is: (a) 1/7 Ω (b) 7 Ω (c) 1/12 Ω (d) 3/4 Ω 2) A 10 2 resistor is connected in parallel with a 15 2 resistor and the combination in series with a 12 2 resistor. The equivalent resistance of the circuit is: (a) 37 Ω (b) 18 Ω (c) 27 Ω (d) 4 Ω 3) The length of a certain conductor of resistance 100 2 is doubled and its cross-sectional area is halved. Its new resistance is: (a) 100 Ω (b) 200 Ω (c) 50 Ω (d) 400 Ω
1) The equivalent resistance when a resistor of 1/3 2 is connected in parallel with a 1/4 92 resistance is: (a) 1/7 Ω (b) 7 Ω (c) 1/12 Ω (d) 3/4 Ω 2) A 10 2 resistor is connected in parallel with a 15 2 resistor and the combination in series with a 12 2 resistor. The equivalent resistance of the circuit is: (a) 37 Ω (b) 18 Ω (c) 27 Ω (d) 4 Ω 3) The length of a certain conductor of resistance 100 2 is doubled and its cross-sectional area is halved. Its new resistance is: (a) 100 Ω (b) 200 Ω (c) 50 Ω (d) 400 Ω
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Related questions
Question
![Q1) Choose the correct answer (answer only five)
1) The equivalent resistance when a resistor of 1/3 2 is connected in parallel with a 1/4
resistance is:
(a) 1/7 Ω
(b) 7 Ω
(c) 1/12 Ω
(d) 3/4 Ω
2) A 102 resistor is connected in parallel with a 15 2 resistor and the combination in series with
a 12 2 resistor. The equivalent resistance of the circuit is:
(a) 37 Ω
(b) 18 Ω
(c) 27 Ω
(d) 4 Ω
3) The length of a certain conductor of resistance 100 2 is doubled and its cross-sectional area is
halved. Its new resistance is:
(a) 100 Ω
(b) 200 Ω
(c) 50 Ω
(d) 400 Ω
4) The resistance of a 2 km length of cable of cross-sectional area 2 mm² and resistivity of 2 × 10
8 Q2. m is:
(a) 0.02 Ω
(b) 20 Ω
(c) 0.02 mΩ
(d) 200 Ω
5) A coil of wire has a resistance of 10 22 at 0 °C. If the temperature coefficient of resistance for
the wire is 0.004/°C, its resistance at 100 °C is:
(a) 0.4 Ω
(b) 1.4 Ω
(c) 14 Ω
(d) 10 Ω
6) A piece of graphic has a cross-sectional area of 10 mm². If its resistance is 0.1 22 and its
resistivity 10 × 108 Q2 m, its length is:
(a) 10 km
(b) 10 cm
(c) 10 mm
(d) 10 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbe59bbb6-5acc-4b40-aded-90f110c0b14c%2Ffb32933c-f152-49e6-aa53-3444afe1c2be%2Fufpt3a1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1) Choose the correct answer (answer only five)
1) The equivalent resistance when a resistor of 1/3 2 is connected in parallel with a 1/4
resistance is:
(a) 1/7 Ω
(b) 7 Ω
(c) 1/12 Ω
(d) 3/4 Ω
2) A 102 resistor is connected in parallel with a 15 2 resistor and the combination in series with
a 12 2 resistor. The equivalent resistance of the circuit is:
(a) 37 Ω
(b) 18 Ω
(c) 27 Ω
(d) 4 Ω
3) The length of a certain conductor of resistance 100 2 is doubled and its cross-sectional area is
halved. Its new resistance is:
(a) 100 Ω
(b) 200 Ω
(c) 50 Ω
(d) 400 Ω
4) The resistance of a 2 km length of cable of cross-sectional area 2 mm² and resistivity of 2 × 10
8 Q2. m is:
(a) 0.02 Ω
(b) 20 Ω
(c) 0.02 mΩ
(d) 200 Ω
5) A coil of wire has a resistance of 10 22 at 0 °C. If the temperature coefficient of resistance for
the wire is 0.004/°C, its resistance at 100 °C is:
(a) 0.4 Ω
(b) 1.4 Ω
(c) 14 Ω
(d) 10 Ω
6) A piece of graphic has a cross-sectional area of 10 mm². If its resistance is 0.1 22 and its
resistivity 10 × 108 Q2 m, its length is:
(a) 10 km
(b) 10 cm
(c) 10 mm
(d) 10 m
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