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An electric dipole is held in a uniform ...

An electric dipole is held in a uniform electric field.
Straight the net force acting on it is zero.

Text Solution

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The dipole moment of dipole `|vecP|=qxx2a`
Force on -q at `-q vecE`
Force on +q at `B=+q vecE`
Net force on the dipole `=q vecE-q vecE=0`
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