A

Anju

1mV/cm of voltage drop along the wire

1mV/cm *100cm = 100mV total drop required

100mV/3ohm= 33.3 mA of current needs to flow

2Vcell/33.3mA=60 ohm total resistance is required

60ohm-3ohm =57 ohm additional needed.

1

S

Sudeeptvd

Thanks anju

1