Questions
In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance, the value of the resistor R will be :
detailed solution
Correct option is B
I=2R=12-2500⇒R=100 ΩTalk to our academic expert!
Similar Questions
An ammeter of range 5 A is to be converted into an ammeter of range 10 V. If the resistance of ammeter be 0.1 , then what resistance should be connected in series with it
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