A voltmeter consists of a 25 $Ω$ coil connected in series with a 575 $Ω$ . The coil takes 10mA for full scale deflection. What maximum potential difference can be measured on this voltmeter ?

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Solution

$V = R_{e f f} \times i$

$= 600 \times 10 \times 10^{- 3} = 6 V$

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A voltmeter consists of a 25 Ω coil connected in series with a 575 Ω. The coil takes 10mA for full scale deflection. What maximum potential difference can be measured on this voltmeter ?

V=Reff×i =600×10×10−3=6V

A voltmeter consists of a 25 $Ω$ coil connected in series with a 575 $Ω$ . The coil takes 10mA for full scale deflection. What maximum potential difference can be measured on this voltmeter ?

$V = R_{e f f} \times i$

$= 600 \times 10 \times 10^{- 3} = 6 V$