WorksheetsE103A
Total questions: 25
Worksheet time: 33mins
What unit is used to measure current?
Ohms
Omega
Volts
Amps
What unit is used to measure resistance?
Ohms
Omega
Volts
Amps
What is the formula for ohms law?
1+2=3
R X E = I
V =I x R
E= MC squared
What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?
1/4 A
144 A
4 A
0.4 A
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
1/3 ohms
3 ohms
27 ohms
9 ohms
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
12 V
21 V
4/3 V
3/4 V
What would happen if in a circuit, the resistance increases but the voltage stays the same?
The current would decrease
The current would increase
The voltage would decrease
The voltage would increase
What would happen if in a circuit the voltage is increase?
The time would increase
The current would increase
The current would decrease
The current would stay the same
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will get brighter
It will stay the same brightness
It will go out
Nothing will happen
What is the unit of Electrical Power?
Joule
Watt
Where
Amp
A kilowatt (kW) is how many watts?
10
50
100
1000
Remember: V=IR and P=VI
Remember: I = P/V
