Categories > Electrostatics > electric-dipole > Two opposite and equal charges $4 \times {10^{ - 8}}coulomb$ when placed $2 \times {10^{ - 2}}cm$ away, form a dipole. If this dipole is placed in an external electric field $4 \times {10^8}newton/coulomb$, the value of maximum torque and the work done in rotating it through $180^\circ $ will be

Electrostatics

Question: Two opposite and equal charges $4 \times {10^{ - 8}}coulomb$ when placed $2 \times {10^{ - 2}}cm$ away, form a dipole. If this dipole is placed in an external electric field $4 \times {10^8}newton/coulomb$, the value of maximum torque and the work done in rotating it through $180^\circ $ will be


1) $64 \times {10^{ - 4}}Nm$ and $64 \times {10^{ - 4}}J$
2) $32 \times {10^{ - 4}}$Nm and $32 \times {10^{ - 4}}J$
3) $64 \times {10^{ - 4}}Nm$ and $32 \times {10^{ - 4}}J$
4) $32 \times {10^{ - 4}}Nm$ and $64 \times {10^{ - 4}}J$
Solution: Explanation: Explanation
electric-dipole

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