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
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...
4.4. Electrical safety

Know that a mains circuit consists of a live wire (line wire), a neutral wire and an earth wire and explain why a switch must be connected to the live wire for the circuit to be switched off safely

2. Thermal physics
2.3.3. Radiation

Know what happens to an object if the rate at which it receives energy is less or more than the rate at which it transfers energy away from the object