Question 28
Question 28 of 40

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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct

Topics Tested

Know that current is measured in amps (amperes) and that the amp is given by coulomb per second (C/s)

Know that e.m.f. and p.d. are measured in volts and that the volt is given by joule per coulomb (J/C)

State that there are positive and negative charges and that charge is measured in coulombs