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Should the resistance of an ammeter …

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Should the resistance of an ammeter be low or high ?give reason

Posted by Prakash Pant 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 5 months ago

1. Ammeter is used to measure the current in a circuit and it should always be connected in series.
2. Resistance means the obstruction caused to the movements of electrons.
3. If resistance is more, current will be less.
4. So, if ammeter has a high resistance than the current measured will be quite less as compared to actual current which is undesirable.
5. If a ammeter has zero resistance , then we will get exact current in the circuit.
6. But such thing is not possible as every material in this world has some internal resistance.

1Thank You

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CBSE > Class 10 > Science