Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance R p =1 Ω as shown in the figure. An external resistance of R e =2 Ω is connected via the sliding contact. The electric current in the circuit is:

Current Electricity: JEE Main 2025 Physics question

JEE Main 2025 · 22 Jan, Morning shift · Q33

JEE Main 202522 Jan, Morning shiftPhysicsMediumCurrent Electricity150× since 2002

Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance

R_p=1\,\Omega

as shown in the figure. An external resistance of

R_e=2\,\Omega

is connected via the sliding contact. The electric current in the circuit is:

JEE Main 2025 Current Electricity Question with Solution (22 Jan Morning shift, Q33) | JEE Arc

JEE Main 2025 · 22 Jan, Morning shift · Q33

JEE Main 202522 Jan, Morning shiftPhysicsMediumCurrent Electricity150× since 2002

Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance

R_p=1\,\Omega

as shown in the figure. An external resistance of

R_e=2\,\Omega

is connected via the sliding contact. The electric current in the circuit is: