Question 33
Question 33 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
9. Electricity
9.1. Electric current

understand that an electric current is a flow of charge carriers

18. Electric fields
18.5. Electric potential

define electric potential at a point as the work done per unit positive charge in bringing a small test charge from infinity to the point