Question 29
Question 29 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
4. Electricity and magnet...
4.2.2. Electric current

State that conventional current is from positive to negative and that the flow of free electrons is from negative to positive

5. Nuclear physics
5.1.1. The atom

Know how atoms may form positive ions by losing electrons or form negative ions by gaining electrons