Questions
A galvanometer has a resistance of and a maximum of 0.01 A current can be passed through it. In order to change it into an arnmeter of range 10 A, the shunt resistance required is
detailed solution
Correct option is D
ig=i SG+S ⇒ 0.01 = 10 S25+S⇒ 1000 S = 25+S ⇒ 25999 ΩTalk to our academic expert!
Similar Questions
The ammeter has range 1 ampere without shunt. The range can be varied by using different shunt resistances. The graph between shunt resistance and range will have the nature
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