Question

What is the resistance of ideal ammeter and ideal voltmeter?

Answer 1

Resistance of ideal ammeter is zero

Resistance of ideal voltmeter is infinity

Explanation:

Ammeter:-

• Ammeter is a device used to calculate the current flowing through the circuit. It is always connected in series to the circuit so that same current flows through the ammeter which flows through the circuit.To measure maximum current ammeter should have low resistance that is in few ohms. For ideal ammeter resistance should be zero, but an ideal ammeter never exist

Voltmeter:-

• Voltmeter is a device used to calculate the potential difference across the circuit. It is always connected in parallel to measure the potential difference the given circuit. To measure the potential difference resistance of voltmeter should be high that is in kilo ohms or mega ohms. For ideal voltmeter resistance should be infinity, but an ideal voltmeter never exist

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