Questions
An ammeter gives full deflection when a current of 2 A flows through it. The resistance of ammeter is If the same ammeter is to be used for measuring a maximum current of 5 A, then the ammeter must be connected with a resistance of
detailed solution
Correct option is C
iig =1 + GS ⇒ 52 =1 =12S ⇒ S=8 Ω In parallelTalk to our academic expert!
Similar Questions
A moving coil galvanometer converted into an ammeter reads up to 0.03 A by connecting a shunt of resistance 4r across it and ammeter reads up to 0.06 A, when a shunt of resistance r is used. What is the maximum current which can be sent through this galvanometer if no shunt is used?
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