Question

# An electric dipole is placed in a uniform electric field. The net electric force on the dipole

A
is always zero
B
depends on the orientation of the dipole
C
depends on the dipole moment
D
is always finite but not zero
Solution
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#### Dipole means two equal and opposite charge i.e q and −q.When dipole is placed in uniform electric field E, Force due to q is F+=qEForce due to −q is F−=−qEthus, net force F=qE−qE=0The total force on the dipole in the uniform field is always zero

3
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