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WorksheetsCircuits
Total questions: 14
Worksheet time: 1hrs 13mins
Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
2.
The total resistance in this circuit is
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
3.
The total current through this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
4.
The voltage dropped across the 300 ohm resistor is
a)
6 V
b)
9 V
c)
2 V
d)
30 V
5.
What is the total resistance (RT) across this circuit?
a)
3 kΩ
b)
10 kΩ
c)
13 kΩ
d)
16 kΩ
6.
As resistors are added in series to a circuit, the total resistance will...
a)
increase
b)
decrease
c)
stay the same
7.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
8.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
9.
The current going through the 45 ohm resistor is
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
5 amps
10.
The total resistance of this circuit is
a)
25.7 ohms
b)
315 ohms
c)
324 ohms
d)
90 ohms
11.
The total current going through the battery of this circuit is
a)
0.35 amps
b)
0.0286 amps
c)
0 amps
d)
9 amps
12.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
13.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
14.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
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