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Worksheetscircuits
Total questions: 19
Worksheet time: 37mins
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 has more than one path to flow through
2.
In a Series circuit the more lightbulbs you add the brighter they get
a)
False
b)
True
3.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
4.
What kind of circuit is this?
a)
series
b)
parallel
5.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit
6.
The current going through the 180 ohm resistor is
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
20 amps
7.
The voltage drop across the 180 ohm resistor is
a)
9 V
b)
6 V
c)
2 V
d)
12 V
8.
The current going through the 90 ohm resistor is
a)
10 amps
b)
0.1 amps
c)
0.2 amps
9.
The current through the battery of this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
10.
What particle has a negative charge?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
11.
If you increase the resistance of a circuit, what happens?
a)
Current decreases
b)
Current increases
c)
Electrons disappear
d)
Bulbs get brighter
12.
What 'flows' in a wire?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
13.
Find the total resistance, total current and total voltage for the following circuit
a)
VT = 9 V
I T = 3
RT = 14
I T = 3
RT = 14
b)
VT = 9
I T = 0.64
RT = 14
I T = 0.64
RT = 14
c)
VT = 9
I T = 6.3
RT = 1.4
I T = 6.3
RT = 1.4
d)
VT = 9
I T = 0.64
RT = 1.4
I T = 0.64
RT = 1.4
14.
The voltage dropped across the 300 ohm resistor is
a)
6 V
b)
9 V
c)
2 V
d)
30 V
15.
The equivalent resistance of this circuit is
a)
25.7 ohms
b)
315 ohms
c)
324 ohms
d)
90 ohms
16.
What is the total RESISTANCE of the circuit? The total VOLTAGE?
V = IR
V = IR
a)
50 ohms, 100 V
b)
2 ohms, 4 V
c)
12 ohms, 24 V
d)
0.08 ohms, 0.16 V
17.
The current going through the 45 ohm resistor is
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
5 amps
18.
The equivalent resistance of this circuit is
a)
25.7 ohms
b)
315 ohms
c)
324 ohms
d)
90 ohms
19.
How much CURRENT does a 1200 W bread maker draw from a 110 V outlet?
P = IV
P = I2R
P = V2/R
P = IV
P = I2R
P = V2/R
a)
132000 amps
b)
0.09 amps
c)
1200 amps
d)
10.9 amps
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