WorksheetsElectricity
Total questions: 17
Worksheet time: 9mins
_________ is like a pushing force that pushes electric current around a circuit
current
voltage
resistor
electron
______________ decreases the amount of current
electron
voltage
current
resistor
What causes resistance? (Check all that apply)
Moving electrons in a current bump into atoms of matter
A wire that is too wide
Some of the energy is absorbed by the atom and changed to other forms of energy such as heat.
all of the above
What factors affect resistance (check all that apply)
Type of material
Width of material
Length of wire
Temperature
A resistor is good to have if you want to produce heat or light.
True
False
A resistor is good to have if you are trying to transmit electric current through a wire from one place to another.
True
False
Metals have the least resistance to electric current.
True
False
Resistance is measure in
volts
ohms
amps
voltage is measure in ___________
ohms
volts
amps
Current is measure in ___________
volts
ohms
amsp
Ohms law is a ________________ relationship. If you double the voltage, you double the current.
non-linear
linear
Anything under _____ ohm is considered a good conductor or electricity.
1
10
100
1,000
A multimeter measures________________
current
resistance
voltage
amps
If too much current is passed through a resistor, it could damage the device or catch fire.
True
False
Which of the following are equations you can use to calculate Ohm's law? (Check all that apply)
I = V/R
R = I/V
V = I x R
R = V/I
________________ is the flow of electrons.
Current
voltage
resistance
amp
__________________ is what prevents electrons from moving as fast as they could.
current
voltage
resistance
amp
