Kelvi

An electric dipole is placed at an angle of $30^\circ$ with an electric field of intensity $2 \times 10^5 NC^{-1}.$ It experiences a torque equal to 4 Nm. Calculate the magnitude of charge on the dipole, if the dipole length is 2 cm.

medium

Electric Charges and Fields

2023

physics

8 mC

6 mC

4 mC

2 mC

Explanation

To solve this problem, we need to use the formula for the torque experienced by an electric dipole in an electric field. $\\$ The torque $(\tau)$ experienced by a dipole is given by: $\\ \tau = pE \sin \theta \\$ where: $\\$ • $p$

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An electric dipole is placed at an angle of 30∘ 30^\circ 30∘ with an electric field of intensity 2×105NC−1. 2 \times 10^5 NC^{-1}. 2×105NC−1. It experiences a torque equal to 4 Nm. Calculate the magnitude of charge on the dipole, if the dipole length is 2 cm.

Explanation

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An electric dipole is placed at an angle of $30^\circ$ with an electric field of intensity $2 \times 10^5 NC^{-1}.$ It experiences a torque equal to 4 Nm. Calculate the magnitude of charge on the dipole, if the dipole length is 2 cm.