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 Find the strength of magnetic field in a conductor 0.5m long moving with a velocity of 10m/s, inducing an emf of 20V.
  • a)
    1T
  • b)
    2T
  • c)
    3T
  • d)
    4T
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Find the strength of magnetic field in a conductor 0.5m long moving wi...
The formula for induced emf is: emf=Blv. Substituting the values of l, emf and v from the question, we get B=4T.
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Most Upvoted Answer
Find the strength of magnetic field in a conductor 0.5m long moving wi...
Given Information:
- Length of the conductor (l) = 0.5 m
- Velocity of the conductor (v) = 10 m/s
- Electromotive force (emf) induced (E) = 20 V

Formula:
The formula to calculate the strength of the magnetic field (B) in a conductor is given by:
B = E / (l * v)

Calculation:
Substituting the given values into the formula, we have:
B = 20 V / (0.5 m * 10 m/s)
B = 20 V / 5 m²/s
B = 4 T

Therefore, the strength of the magnetic field in the conductor is 4 Tesla (T), which corresponds to option 'D'.
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