When 100mA current passes through an ammeter its coil shows full deflection. When a low resistance is connected parallel to the galvanometer, it is observed that 80% of the current approaching the ammeter goes through this low resistance. When this modified ammeter is placed in a circuit it shows full deflection when current approaching it is equal to?
a. 100mA
b. 125 mA
c. 400mA
d. 500mA
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Answer:
a 100ma
Explanation:
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