Question 34
Question 34 of 40
Question image for Q34
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
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
9.3. Resistance and resistivity

explain that the resistance of a filament lamp increases as current increases because its temperature increases

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

20. Magnetic fields
20.5. Electromagnetic induction

understand and explain experiments that demonstrate: • that a changing magnetic flux can induce an e.m.f. in a circuit • that the induced e.m.f. is in such a direction as to oppose the change producing it • the factors affecting the magnitude of the induced e.m.f.