How is ammeter connected in the circuit to measure electric current?
5. Why is the tungsten used almost exclusively for filament of electric lam
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4) How is ammeter connected in the circuit to measure electric current ?
Answer:- An ammeter is a measuring device used to measure the electric current in a circuit. A voltmeter is connected in parallel with a device to measure its voltage, while an ammeter is connected in series with a device to measure its current.
5) Why is the tungsten used almost exclusively for filament of electric lam ?
Answer:- The metal tungsten is almost exclusively used for the filament of the electric lamp because it has a very high melting point due to which it does not melt even when it is heated to high temperatures due to the passage of electric current.
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