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Electric Charges and Fields · Question 32

AIPMT 2001MCQEasy📈 Topic in 25% papers+4−1
1

A dipole of dipole moment p is placed in uniform electric field E then torque acting on it is given by

  1. = p E
  2. = p E
  3. = p + E
  4. = p - E

Answer

(2) = p E

Solution

As per NCERT, a dipole in a uniform electric field experiences no net force but a torque of magnitude = pE , directed so as to align p with E.

= p E

Answer: (2)

AIPMT 2001

Keep practising — Electric Charges and Fields

2

A charge Q is placed at the centre of a cube, the flux coming out from each face will be

  1. Q6 0 10-6
  2. Q6 0 10-3
  3. Q24 0
  4. Q8 0
AIPMT 2001
3

A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is

  1. Q6 0
  2. Q8 0
  3. Q 0
  4. Q2 0
AIPMT 2000
4

Electric field at centre O of semicircle of radius a having linear charge density is given as [figure]

  1. 2 0 a
  2. 0 a
  3. 2 0 a
  4. 0 a
AIPMT 2000

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