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
9. Electricity
9.1. Electric current

use, for a current-carrying conductor, the expression I = Anvq, where n is the number density of charge carriers

6. Deformation of solids
6.1. Stress and strain

describe an experiment to determine the Young modulus of a metal in the form of a wire

15. Ideal gases
15.3. Kinetic theory of gases

compare pV = ⅓Nm < c² > with pV = NkT to deduce that the average translational kinetic energy of a molecule is 3/2kT, and recall and use this expression