An electric dipole is placed at an angle of 30o with an electric field of intensity 2 - 10 5 N C -1- It experiences a torque equal to 4 N m- The charge on the dipole of the dipole length is 2 cm is

An electric dipole is placed at an angle of 30° with an electric field intensity of 2 × $10^{5}$ N/C. It experiences a torque equal of 4 Nm. The charge on the dipole, if the dipole length is 2 cm, is

Q. An electric dipole is placed at an angle

30^{\circ}

with an electric field intensity

2 \times 10^{5} N C^{- 1}

. It experiences a torque equal to

4 N m

. The charge on the dipole(in

m C

), if the dipole length is

2 c m

, is

Q. An electric dipole is placed at an angle of

30^{\circ}

with an electric field intensity

2 \times 10^{5} N/C

. It experiences a torque equal to

4 N-m

. The charge on the dipole, if the dipole length is

2 cm

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An electric dipole is placed at an angle of 30o with an electric field of intensity 2×105NC−1. It experiences a torque equal to 4 N m. The charge on the dipole of the dipole length is 2 cm is

The correct option is C 2 mCHere E=2×105NC−1,l=2cm,τ=4NmTorque →τ=→p×→E=pEsinθ∴4=p×2×105×sin30oor p=4×10−5Cm∴ Charge q=pl=4×10−5Cm0.02m=2×10−3C=2mC

An electric dipole is placed at an angle of $30^{o}$ with an electric field of intensity $2 \times 10^{5} N C^{- 1}$ . It experiences a torque equal to $4 N$ $m$ . The charge on the dipole of the dipole length is $2 c m$ is