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...
4.2.2. Electric current

Define electric current as the charge passing a point per unit time; recall and use the equation I = Q/t

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