Series Circuits - General Questions Online Exam Quiz
Series Circuits - General Questions GK Quiz. Question and Answers related to Series Circuits - General Questions. MCQ (Multiple Choice Questions with answers about Series Circuits - General Questions
When a fourth resistor is connected in series with three resistors, the total resistance
Options
A : increases by one-fourth
B : increases
C : decreases
D : remains the same
A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R 3 . The voltage across R 3 is
Options
A : 0 V
B : 1.2 V
C : 6 V
D : 0.6 V
A series circuit consists of three resistors with values of 120 , 270 , and 330 . The total resistance is
Options
A : less than 120
B : the average of the values
C : 720
D : 120
A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 . If each resistor is operating in the circuit at its maximum power dissipation, total current flow is
Options
A : 27 mA
B : 2.7 mA
C : 19 mA
D : 190 mA
Which of the following series combinations dissipates the most power when connected across a 120 V source?
Options
A : one 220 resistor
B : two 220 resistors
C : three 220 resistors
D : four 220 resistors
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
Options
A : increases
B : increases by one-third
C : decreases by one-third
D : decreases by the amount of current through the removed resistor
The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
Options
A : 12 W
B : 48 W
C : 3 W
D : 8 W
The following resistors (one each) are connected in a series circuit: 470 , 680 , 1 k , and 1.2 k . The voltage source is 20 V. Current through the 680 resistor is approximately
Options
A : 60 mA
B : 30 mA
C : 6 mA
D : 300 mA
A series circuit consists of a 4.7 k , a 12 k , and a 2.2 k resistor. The resistor that has the most voltage drop is
Options
A : the 12 k
B : the 2.2 k
C : the 4.7 k
D : impossible to determine from the given information
All the voltage drops and the source voltage added together in a series circuit is equal to
Options
A : the total of the voltage drops
B : the source voltage
C : zero
D : the total of the source voltage and the voltage drops
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