WorksheetsElectric Current
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Current is...
a)
moving protons
b)
moving electrons
c)
measured in volts
d)
measured in ohms
2.
current is measured in....
a)
volts
b)
amps
c)
watts
d)
mph
3.
The two types of current are...
a)
AC/DC
b)
Alternating Current
c)
Direct Current
d)
All of the above
4.
Voltage is simply defined as...
a)
what 'pushes' electrons
b)
what 'stops' electrons
c)
moving electrons
5.
In the U.S most electrical outlets supply a voltage of....
a)
240 Volts
b)
120 Volts
c)
100 watts
d)
60 amps
6.
Resistance is...
a)
What "slows down" electrons
b)
What "speeds up" electrons
c)
Moving electrons
d)
What "pushes" electrons
7.
Good conductors are _______ resistors
a)
bad
b)
good
8.
Good insulators are _______ resistors
a)
good
b)
bad
9.
What characteristics impact resistance of a material?
a)
Thickness
b)
Temperature
c)
Length
d)
All of these
10.
If the voltage stays the same, but the resistance goes up, the current will....
a)
increase (speed up)
b)
decrease (slow down)
c)
stay the same
11.
If the current increases it could be because of...
a)
increasing voltage
b)
decreasing resistance
c)
both
12.
A 120 w light bulb uses more ____________ than a 60 w light bulb.
a)
thermal energy
b)
electrical energy
13.
A light bulb is an example of a _______.
a)
current
b)
resistor
c)
battery
14.
Electrical energy is converted to _______ energy in a hair dryer.
a)
heat
b)
light
15.
If you turn on all of the lights in your house, the electric meter measuring Kilowatt-hours outside your home will read a ________ value than if the lights are off.
a)
higher
b)
lower
100 %
