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Physics-

General

Easy

Question

An electric dipole when placed in a uniform electric field $E$ will have minimum potential energy, if the positive direction of dipole moment makes the following angle with $E$

$π$
$π / 2$
Zero
$3 π / 2$

The correct answer is: Zero

Potential energy $equals negative p E cos invisible function application theta$
When $theta equals 0.$ Potential energy $equals negative p E$ (minimum)

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