TNPSC Group 4 · 2022
169.
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
| 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 |
Answer:
A.
4 3 2 1