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Byju's Answer
Standard XII
Physics
Solenoid
An electric d...
Question
An electric dipole is kept in a non-uniform electric field. It experiences
A
a force and a torque
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B
a force but not a torque
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C
a torque but no force
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D
neither a force nor a torque
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Solution
The correct option is
A
a force and a torque
In a non uniform electric field, net force
≠
0
, and net torque
≠
0
.
Suggest Corrections
0
Similar questions
Q.
In a uniform electric field, an electric dipole experiences only torque. But when the electric field is non-uniform, it experiences torque as well as a net force. Why is it so?
Q.
State whether True or False :
In a uniform electric field, the dipole experiences no net force; but experiences a torque having a relation with
P
and
E
which is given by
→
P
×
→
E
where the parameters
P
and
E
have their usual meaning.
Q.
A dipole of moment
→
p
is placed in a uniform electric field
→
E
. If the force on the dipole is
→
F
and the torque is
→
τ
. Then :
Q.
An electric dipole is placed in an electric field generated by a point charge.
(a) The net electric force on the dipole must be zero.
(b) The net electric force on the dipole may be zero.
(c) The torque on the dipole due to the field must be zero.
(d) The torque on the dipole due to the field may be zero.
Q.
(i) Derive and expression for axial magnetic field of a bar magnet act as an equivalent solenoid.
(ii) A magnetized needle is a uniform magnetic field experience a torque but no net force. An ion nail near a bar magnet, however experience a force of attraction is addition to a torque. Why?
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