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CBSE
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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
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Series Circuits Class 9 MCQ Questions With Answers
1.
Solve for the current flowing through Resistor # 1
35 amps
25 amps
35 milliamps
25 milliamps
2.
Each battery is a 10-V battery. What is the voltage difference between points B and D?
10 V
20 V
30 V
40 V
3.
When a resistor in a series circuit is replaced by another resistor with an increased resistance value, the total circuit current will __________.
stay the same
decrease
increase
double in value
4.
1 Ohm is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
1 Volt / Ampere
5.
In which configuration is the current supplied by the battery the greatest?
A
B
C
A, B, and C are the same.
6.
1 Watt is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
1 Volt / Ampere
7.
This circuit has only one path for current to flow
series
parallel
combination
split
8.
The formula E2/R
Voltage
Current
Power
Resistance
9.
What is the total circuit resistance of two 25 ohm resistors and three 75 ohm resistors connected in series?
100 ohms
200 ohms
275 ohm
175 ohms
10.
__________ remains the same in a series circuit.
Resistance
Voltage
Current
Power
11.
The wattage being dissipated at R2 is _______________ W.
27
12
15
36
12.
1 Ampere is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
None of these
13.
The wattage value for any resistor is equal to ____.
I X R
E/R
I X E
I/R
14.
Using the circuit shown solve for total power dissipated in this circuit.
20 watts
30 watts
1.8 Kilowatts
180 watts
15.
CIrcuit elements connected in parallel have the same
voltage drop across them.
current through them.
power dissipation by them.
None of the above.
16.
100 Ω resistors are hooked in series. The equivalent resistance will be
less than 100 Ω.
100 Ω.
more than 100 Ω.
More information is needed.
17.
The wattage being dissipated at R3 is ______________________________ W.
18
54
36
18.
In which configuration is the voltage supplied by the battery the greatest?
A
B
C
A, B, and C are the same.
19.
With three 10 resistors connected in series with a 30 volt power supply, the total circuit current will equal ____.
300 amps
1 amp
150 amps
1 millamp
20.
Voltage drop stands for what?
the voltage applied to a circuit
the voltage flowing through a resistor
the voltage used by a load
21.
The brightness of a lightbulb is most closely related to
its resistance.
the voltage drop across it.
the current through it.
the power dissipated by it.
22.
In which configuration is the voltage drop across a single lightbulb the greatest?
A
B
C
A, B, and C are the same.
23.
100 Ω resistors are hooked in parallel. The equivalent resistance will be
less than 100 Ω.
100 Ω.
more than 100 Ω.
More information is needed.
24.
What is the total circuit resistance of the following five resistors connected in series?R1 = 27 ohmsR2 = 33 ohmsR3 = 51 ohmsR4 = 1.2 kohmsR5 = 240 ohmsRt = __________ Ohms
353.2
1551
1.9 K
All of above
25.
The voltage drop across R1 is ______________________________ V.
20
30
40
50
26.
Solve for the voltage drop at resistor 1
38 volts
60 Kvolts
50 volts
25 volts
27.
Total series circuit wattage is equal to source voltage ____.
multiplied by the voltage value going through any resistor
multiplied by the current value going through any resistor
divided by the current value going through any resistor
divided by the voltage applied to the circuit and the total resistance of the circuit
28.
1 Volt is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
All of above
29.
In which configuration is the current through a single lightbulb the greatest?
A
B
C
A, B, and C are the same.
30.
CIrcuit elements connected in series have the same
voltage drop across them.
current through them.
power dissipation by them.
None of the above.
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