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WorksheetsElectric current, power and energy
Total questions: 15
Worksheet time: 8mins
Ohm's Law says that
More voltage means more resistance
More voltage means more current
More voltage means more energy
More voltage means more power
According to Ohm's law, as you increase resistance
Voltage increases
Voltage decreases
Current increases
Current decreases
A circuit element that impedes the flow of electrons is called a
Resistor
Impeder
Wire
Battery
Electrons flow in a circuit when there is a
Power element
Resistor
Voltage difference
Reason
Electric current is measured in
kWh
Amps
Ohms
Watts
Electric power is measured in
kWh
Amps
Ohms
Watts
Electric energy is measured in
kWh
Amps
Ohms
Watts
Resistance is measured in
kWh
Amps
Ohms
Watts
Standard power outlets in the US have a voltage of
160 V
6 A
240 V
120 V
1 Amp of current is equal to
1 coulomb of charge passing a point every second
The potential difference between both sides of the battery
1 electron passing a point every second
1 coulomb of charge
The rate at which electric energy is used is called
Electric energy
Electric power
Voltage difference
Electric current
The total amount of energy used in the form of electricity is
Electric energy
Electric power
Voltage difference
Electric current
The power company bills you by
The amount of electric current you use
The amount of electric power you use
The amount of electric energy you use
The amount of voltage you use
The best material to make household wires out of is
Plastic
Wool
Ceramic
Copper
When they open up more lines at the supermarket, the checking out goes
Slower
Faster
Same
