Question 39
Question 39 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. Electrical current

Know the difference between direct current (d.c.) and alternating current (a.c.)

4. Electricity and magnet...
4.2.4. Resistance

Sketch and explain the current-voltage graphs for a resistor of constant resistance, a filament lamp and a diode

4. Electricity and magnet...
4.2.1. Electrical charge

Describe simple electric field patterns, including the direction of the field: (a) around a point charge (b) around a charged conducting sphere (c) between two oppositely charged parallel conducting plates (end effects will not be examined)