Question 38
Question 38 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...
4.5.3. Magnetic effect of a current

Describe the effect on the magnetic field around straight wires and solenoids of changing the magnitude and direction of the current

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