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
Correct Answer:
Verified
Q52: Two loops of wire are arranged so
Q53: A motor has an internal resistance of
Q54: An electric motor draws a current of
Q56: A coil with a self-inductance of 0.80
Q57: Electricity may be generated by rotating a
Q59: The current in a coil with a
Q61: A circular loop of wire has its
Q73: The self-inductance of a solenoid increases under
Q75: Two loops of wire are arranged so
Q78: The unit of inductance,the henry,is equivalent to
A)V·s/A.
B)V/m.
C)J/C.
D)none
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents