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WorksheetsElectricity
Total questions: 20
Worksheet time: 34mins
Name
Class
Date
1.
The unit for current is the
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
2.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
3.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
4.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
5.
What type of circuit is pictured?
a)
series
b)
parallel
6.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
7.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
8.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
9.
What resistance is needed to cause a 20A current flow because of a 100V battery?
a)
0.2Ώ
b)
2000Ώ
c)
120Ώ
d)
5Ώ
10.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
11.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
12.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
13.
Which formulas represents Ohm's law?
a)
V=IR
b)
R=IV
c)
I=RV
14.
What type of circuit is pictured?
a)
series
b)
Parallel
15.
Which type of current comes from a battery?
a)
alternating current (AC)
b)
direct current (DC)
16.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow?
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
17.
Which statement best explains why the lamp does not glow?
a)
Circuit 1 is an open circuit.
b)
Circuit 1 is a closed circuit.
c)
The negative terminal of Circuit 1 is connected to the cell.
d)
The positive terminal of Circuit 1 is connected to the cell.
18.
Which of these will repel each other?
a)
Negatively charged balloon and positively charged sphere.
b)
Negatively charged balloon and neutral sphere.
c)
Negatively charged balloon and negatively charged sphere.
d)
Negatively charged balloon and neutral wall.
19.
Electrons flow in the same direction as the current.
a)
True
b)
False
20.
If the light bulb in the middle burned out, what would happen to the other two?
a)
The light bulb to the left would stay lit, but the one to the right would turn off.
b)
They would both stay lit.
c)
The light bulb to the right would stay lit, but the one to the left would turn off.
d)
They would both turn off.
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