Electrostatics: JEE Main 2026 Physics question

JEE Main 2026 · 6 Apr, Morning shift · Q38

JEE Main 20266 Apr, Morning shiftPhysicsMediumElectrostatics167× since 2002

A thin half ring of radius 35 cm is uniformly charged with a total charge of

Q

coulomb. If the magnitude of the electric field at centre of the half ring is 100 V/m, then the value of

Q

is ________ nC. (

\epsilon_0=8.85\times10^{-12}\ \mathrm{C^2/Nm^2}

and

\pi=3.14

)

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JEE Main 2026 Electrostatics Question with Solution (6 Apr Morning shift, Q38) | JEE Arc

JEE Main 2026 · 6 Apr, Morning shift · Q38

JEE Main 20266 Apr, Morning shiftPhysicsMediumElectrostatics167× since 2002

A thin half ring of radius 35 cm is uniformly charged with a total charge of

Q

coulomb. If the magnitude of the electric field at centre of the half ring is 100 V/m, then the value of

Q

is ________ nC. (

\epsilon_0=8.85\times10^{-12}\ \mathrm{C^2/Nm^2}

and

\pi=3.14

)