Question 31
Question 31 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

Recall and use the equation for resistance R = V/I

4. Electricity and magnet...
4.3.2. Series and parallel circuits

State that the combined resistance of two resistors in parallel is less than that of either resistor by itself