Series Circuits - Study Mode

Show All Answers

[#1] 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

Correct Answer

(C) Zero

[#2] Four equal-value resistors are in series with a 12 V battery and 13.63 mA are measured. The value of each resistor is

(A) 22 Ω

(B) 220 Ω

(C) 880 Ω

(D) 88 Ω

Correct Answer

(B) 220 Ω

[#3] ‘Series aiding’ is a term sometimes used to describe voltage sources of the same polarity in series.

(A) True

(B) False

Correct Answer

(A) True

[#4] A series circuit consists of three resistors with values of 120 Ω, 270 Ω, and 330 Ω. The total resistance is

(A) Less than 120 Ω

(B) The average of the values

(C) 720 Ω

(D) 120 Ω

Correct Answer

(C) 720 Ω

[#5] A 12 V battery is connected across a series combination of 68 Ω, 47 Ω, 220 Ω, and 33 Ω. The amount of current is

(A) 326 mA

(B) 16.3 mA

(C) 32.6 mA

(D) 163 mA

Correct Answer

(C) 32.6 mA