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WorksheetsT2W8 - Current & Ohms Law
Total questions: 15
Worksheet time: 18mins
Current is best defined as
Electricity
The flow of charge over a period of time
The movement of electrons
Energy moving from positive to negative
Current is measured in ...
Amps (A)
Volts (V)
Coulombs (C)
Ohms ( Ω )
Resistance is best defined as ...
The push allowing current to flow
The flow of electrons
A toaster producing heat
The restriction of current flow
The unit for resistance is...
Amps (A)
Volts (V)
Coulombs (C)
Ohms ( Ω )
Conventional current is...
The flow of charge from negative to positive
The flow of electrons
The flow of charge from positive to negative
The flow of positive charges
A charge of 12 coulombs passes through a conductor in 60 seconds. What is the current?
0.2 A
2.0 A
0.02 A
0.2 V
2.4×1022 electrons flow through a wire in 100 seconds, what current is passing through the wire?
2.4×1020 A
3840 A
3.84 V
38.4 A
Identify Ohm's Law
I=tQ
V=IR
V=AΩ
R=IV
A current of 2 amperes is measured passing through a 625 ohm resistor. What is the voltage across the resistor?
312.5 V
1250 V
625 V
625 A
What is the current if the voltage across a 400 Ω resistor is 480 volts?
1.2 A
1920 A
12 A
192000 A
1 milliampere (mA) is 1 thousandth of an Amp (Just as 1 millimetre (mm) is 1 thousandth of a metre)
Using this information, convert 12.48 A to mA
1 248 mA
0.01248 mA
1 248 000 mA
12 480 mA
