Physics, asked by pujithanagasaisree, 8 months ago

calculate the shunt required to extent the range of moving coil ammeter which takes 20mA to measure 20A if the resistance of the coil is 0.075 ohms

Answers

Answered by rakshith0806

0

Explanation:

Rs=Ig×R /I-Ig

Rs=0.02×0.075 / 20-0.02

Rs=0.0015/19.98

Rs=7.51×10^-5 ohm

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