state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 General Science Physics Measuring Instruments
Correctly match the component and its use in a circuit :
| Component | Use of the Component | ||
| (a) | Galvanometer | 1. | Used to fix the magnitude of the current through a circuit |
| (b) | Voltmeter | 2. | Used to measure current |
| (c) | Ammeter | 3. | Used to measure potential difference |
| (d) | Resistor | 4. | Used to detect the current and its directions |
1
(a) - 4, (b) - 3, (c) - 2, (d) - 1
2
(a) - 2, (b) - 3, (c) - 1, (d) - 4
3
(a) - 4, (b) - 2, (c) - 3, (d) - 1
4
(a) - 2, (b) - 3, (c) - 4, (d) - 1
5
Answer not known