A moving coil ammeter has a fixed shunt of 0.02 ohm with a coil resistance of R=100 ohm and potential difference of 500 mV across it,full scale deflection is obtained.
1) To what shunted current does this correspond?
2) Calculate the value of R to give full scale deflection when shunted current is
i) 10A ii) 75 A iii) with what value of R is 40% of deflection is obtained with I=100A.
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