Series Circuits – Exercise – 1

16. A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is ________.

(a) the 12 kΩ
(b) the 2.2 kΩ
(c) the 4.7 kΩ
(d) impossible to determine from the given information

Answer
Answer : (a)
Explanation
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17. A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor ________.

(a) is 9,600 Ω
(b) is 960 Ω
(c) is 1.2 kΩ
(d) cannot be determined

Answer
Answer : (a)
Explanation
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18. The following resistors (one each) are connected in a series circuit: 470 Ω, 680 Ω, 1 kΩ, and 1.2 kΩ. The voltage source is 20 V. Current through the 680 Ω resistor is approximately ________.

(a) 60 mA
(b) 30 mA
(c) 6 mA
(d) 300 mA

Answer
Answer : (c)
Explanation
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19. The total resistance of eight 5.6 kΩ resistors in series is ________.

(a) 8
(b) 5,600
(c) 4,480
(d) 44,800

Answer
Answer : (d)
Explanation
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20. All the voltage drops and the source voltage added together in a series circuit is equal to ________.

(a) the total of the voltage drops
(b) the source voltage
(c) zero
(d) the total of the source voltage and the voltage drops

Answer
Answer : (c)
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