A Coil Is Rotated in a Magnetic Field Generating an Emf

question 47

Multiple Choice

A coil is rotated in a magnetic field generating an emf given by emf = NBAω sin θ,where θ = ωt.At which angle θ is the emf one sixth of its maximum value?

• A) 0°
• B) 10°
• C) 1.6°
• D) 80°
• E) ​30º

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