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A 18 cm conducting rod attached to a U-shaped conductor moves at a speed of 1 cm/s perpendicular to a magnetic field of strength 37.5T as shown in figure below.
What is the emf induced in the conducting rod?
  • a)
    30 mV
  • b)
    2.1 V
  • c)
    70 mV
  • d)
    3.0 V
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A 18 cm conducting rod attached to a U-shaped conductor moves at a spe...
The motional emf induced when the conductor’s velocity, length and the magnetic field are all perpendicular is given by
e = BIv
= 37.5 x 0.18 x 0.01
= 0.07 V
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A 18 cm conducting rod attached to a U-shaped conductor moves at a speed of 1 cm/s perpendicular to a magnetic field of strength 37.5Tas shown in figure below.What is the emf induced in the conducting rod?a)30 mVb)2.1 Vc)70 mVd)3.0 VCorrect answer is option 'C'. Can you explain this answer?
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