A voltmeter of range 3V and resistance 200 - cannot be converted to an ammeter of range

The correct option is A 10 mANew current required to show a voltage drop of 3V=3V200Ω=15mA This is the lowest value of current that can be read.Henc ...

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Standard X

Physics

Resistance

A voltmeter o...

Question

A voltmeter of range 3V and resistance 200 $Ω$ cannot be converted to an ammeter of range

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Solution

The correct option is A $10$ mA
New current required to show a voltage drop of $3 V = \frac{3 V}{200 Ω} = 15 m A$
This is the lowest value of current that can be read.
Hence correct answer is option A.

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A voltmeter of range 3V and resistance 200 Ω cannot be converted to an ammeter of range

The correct option is A 10 mANew current required to show a voltage drop of 3V=3V200Ω=15mAThis is the lowest value of current that can be read.Hence correct answer is option A.

A voltmeter of range 3V and resistance 200 $Ω$ cannot be converted to an ammeter of range

The correct option is A $10$ mA
New current required to show a voltage drop of $3 V = \frac{3 V}{200 Ω} = 15 m A$
This is the lowest value of current that can be read.
Hence correct answer is option A.