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WorksheetsEngineering Principles
Total questions: 6
Worksheet time: 4mins
What is the unit of electromotive force (EMF)?
ampere
joule
coulomb
volt
What causes a current to flow in a circuit?
Gravity
An EMF
A resistance
A voltmeter
What value resistor will cause a current of 1 A to flow when 6 V is applied across it?
(a)
What will happen to the current in this circuit if two more 1.5 V batteries are added?
The current will stay the same
The current will halve
The current will reduce by one third
The current will double
The current will treble
What will happen in this circuit if the 100 Ω resistor is replaced by a 200 Ω resistor?
Only the voltage will double
Only the voltage will halve
Only the current will double
Only the current will halve
Both the voltage and current will halve
Which equation correctly links current, charge and time?
I = Q/t
Q = I/t
I = Q + t
t = I + Q
