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WorksheetsCircuits
Total questions: 25
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
If you are unsure, be prepared to explain why.
a)
A
b)
B
c)
C
2.
a)
A
b)
B
c)
C
d)
D
e)
E
3.
a)
A
b)
B
c)
C
d)
D
4.
a)
A
b)
B
c)
C
d)
D
e)
E
5.
a)
A
b)
B
c)
C
d)
D
e)
E
6.
a)
A
b)
B
c)
C
d)
D
e)
E
7.
a)
A
b)
B
c)
C
d)
D
e)
E
8.
a)
A
b)
B
c)
C
d)
D
e)
E
9.
The best conductors for electricity are made of...
a)
wood
b)
plastic
c)
rubber
d)
metal
10.
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.
11.
The total resistance in this circuit is
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
12.
The total current through this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
13.
What is the total resistance (RT) across this circuit?
a)
3 kΩ
b)
10 kΩ
c)
13 kΩ
d)
16 kΩ
14.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
15.
The current going through the 45 ohm resistor is
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
5 amps
16.
The total resistance of this circuit is
a)
25.7 ohms
b)
315 ohms
c)
324 ohms
d)
90 ohms
17.
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
18.
Three resistors of 20. ohms, 30. ohms, and 60. ohms are connected in series with a battery. A current of 2 amperes will flow through this circuit when the potential difference of the battery is
a)
10. V
b)
220 V
c)
110 V
d)
20. V
19.
Two identical resistors connected in parallel have an equivalent resistance of 40 ohms. What is the resistance of each resistor?
a)
40. Ohm
b)
160 Ohm
c)
80. Ohm
d)
20. Ohm
20.
As resistors are added in series to a circuit, the total resistance will...
a)
increase
b)
decrease
c)
stay the same
21.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
22.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
23.
The equivalent resistance in this part of the circuit is equal to
a)
19 Ohms
b)
0.67 Ohms
c)
1.5 Ohms
d)
6.3 Ohms
24.
A 30-ohm resistor and a 60-ohm resistor are connected in an electric circuit as shown. Compared to the electric current through the 30-ohm resistor, the electric current through the 60-ohm resistor is
a)
smaller
b)
larger
c)
the same
25.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
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