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- Stuck here, help me understand: 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
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
- Option 1)
- Option 2)
- Option 3)
- Option 4)
Answers (2)
As we discussed in
Current through any resistance -
- wherein
=>
Option 1)
This answer is incorrect.
Option 2)
This answer is incorrect.
Option 3)
This answer is incorrect.
Option 4)
This answer is correct.
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