A single slide wire is used for the measurement of current in a circuit. The voltage drop across a standard resistance of 1.0Ω is balanced at 70cm. What is the magnitude of the current, if the standard cell having an emf of 1.45 volts is balanced at 50 cm?
1
3.09 A
2
2.65 A
3
2.03 A
4
1.45 A