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
10. D.C. circuits
10.1. Practical circuits

understand the effects of the internal resistance of a source of e.m.f. on the terminal potential difference

16. Thermodynamics
16.2. The first law of thermodynami...

recall and use the first law of thermodynamics ΔU = q + W expressed in terms of the increase in internal energy, the heating of the system (energy transferred to the system by heating) and the work done on the system

10. D.C. circuits
10.2. Kirchhoff’s laws

use Kirchhoff’s laws to solve simple circuit problems