Relation between multiplying factor of a PMMC & shunt resistance

Q.  The multiplying factor of a PMMC used as ammeter is
- Published on 14 Sep 15

a. Directly proportional to the shunt resistance
b. Inversely proportional to the shunt resistance
c. Inversely proportional to the series resistance
d. Directly proportional to the series resistance

ANSWER: Inversely proportional to the shunt resistance

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