please solve this please its urgent..
define all
Answers
Answer:
1. Ammeter:
It is an instrument which measures electric current in a circuit. It is always connected in series through which current is to be measured
2. Voltmeter:
It is an instrument thorough which potential difference is measured. It is always connected in parallel across the points between which the potential difference is to be measured.
3. Rheostat:
It is a device which is often used to change the resistance in the circuit.
4. Switch:
Electric Switch is an electrical device which can make or break an electric circuit.
5. Battery:
Battery consisting of one or more electric cells is one of the devices that help to maintain a potential difference across a conductor.
6. Connecting wires:
Connecting wires provide a medium to an electrical current so that they can travel from one point on a circuit to another.
7. Resistor:
It is a conductor having some appreciable resistance.
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