Question 50
MagnetismA conductor of length 2 m carries a current of 0.8 A while kept in a magnetic field of magnetic flux density 0.5 T. The maximum force acting on it is
- A.8.0 N
- B.3.2 N
- C.0.8 N
- D.0.2 N
Show the answer and explanation
Answer: C (0.8 N)
Explanation
F = BIL sin θ is largest when θ = 90°: F = 0.5 × 0.8 × 2 = 0.8 N.