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WorksheetsGRADE 8 Online Activity
Total questions: 15
Worksheet time: 28mins
Which of the following is correct?
R = IV
R = I/V
I = R/V
V = IR
What is the unit of measurement of resistance?
Amperes
Ohms
Volts
The rate of flow of electrons through a wire is known as __________ and is measured using __________.
resistance, Ohms
voltage, Volts
current, Amperes
How can you distinguish between electrical conductors and insulators experimentally?
By observing their color
By measuring their weight
By checking their hardness
By testing their ability to allow electric current to flow
Which of the following materials is an example of an electrical conductor?
Rubber
Glass
Copper
Plastic
What is the unit of measurement for charge?
Volts (V)
Amperes (A)
Coulombs (C)
Ohms (O)
TRUE OR FALSE: Protons, which are located inside the atom of an object, is capable of moving out from their orbit.
True
False
If the battery produced 12.6 Volts, what would be the current flow be for a 6 Ohm resistor?
2.1 Amps
2.4 Amps
1.71 Amps
15 Amps
If the Voltage stays the same and Resistance is increased, Current will
Increase
Decrease
Stay the same
none of these
