An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and esistance 5 Ω. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire, is:

Current Electricity: JEE Main 2019 Physics question

JEE Main 2019 · 12 Jan, Morning shift · Q6502

JEE Main 201912 Jan, Morning shiftPhysicsMediumCurrent Electricity150× since 2002

An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and esistance 5

\Omega

. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire, is :

JEE Main 2019 Current Electricity Question with Solution (12 Jan Morning shift, Q6502) | JEE Arc

JEE Main 2019 · 12 Jan, Morning shift · Q6502

JEE Main 201912 Jan, Morning shiftPhysicsMediumCurrent Electricity150× since 2002

An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and esistance 5

\Omega

. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire, is :