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WorksheetsStatic Electricity Ohm's Law and Circuits
Total questions: 26
Worksheet time: 48mins
Name
Class
Date
1.
What unit is used to measure voltage?
a)
Ohms
b)
Omega
c)
Volts
d)
Amps
2.
What unit is used to measure current?
a)
Ohms
b)
Omega
c)
Volts
d)
Amps
3.
What unit is used to measure resistance?
a)
Ohms
b)
Omega
c)
Volts
d)
Amps
4.
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
a)
12 V
b)
21 V
c)
4/3 V
d)
3/4 V
5.
What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?
a)
1/4 A
b)
144 A
c)
4 A
d)
0.4 A
6.
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
a)
1/3 ohms
b)
3 ohms
c)
27 ohms
d)
9 ohms
7.
If a circuit had 4 D-Cell batteries (each 1.5 V) and a lightbulb with resistance of 2 ohms, what is the current that flows through the circuit?
a)
2 A
b)
3 A
c)
6 A
d)
8 A
8.
As the voltage increases, the current...
a)
increases
b)
decreases
c)
stays the same
9.
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.
10.
The total resistance in this circuit is
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
11.
As resistors are added in series to a circuit, the total resistance will...
a)
increase
b)
decrease
c)
stay the same
12.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
13.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
14.
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.
15.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
16.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
17.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
18.
What kind of circuit is this?
a)
series
b)
parallel
19.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
20.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
21.
Which circuit (s) are parallel?
a)
A
b)
A and B
c)
B and C
d)
C
22.
Which one will still function if one light bulb goes out?
a)
A-Series
b)
B-Parallel
c)
A-Parallel
d)
B-Seriese
23.
If I add more light bulbs to a series circuit what happens?
a)
The current speeds up and the lights get brighter
b)
The current slows down and the lights dim lower
c)
The current speeds up and the lights dim lower
d)
The current slows down and the lights get brighter
24.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
25.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 2
26.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit.
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
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