Question 23
Question 23 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...
4.5.1. Electromagnetic induction

Describe an experiment to demonstrate electromagnetic induction

4. Electricity and magnet...
4.2.1. Electric charge

Describe an electric field as a region in which an electric charge experiences a force

4. Electricity and magnet...
4.5.2. The a.c. generator

Describe a simple form of a.c. generator (rotating coil or rotating magnet) and the use of slip rings and brushes where needed