1. Tardigrade
  2. Question
  3. Physics
  4. In an ac dynamo, the peak value of emf is 60 V. The induced emf (in V) in the position when the armature makes an angle of 30° with the magnetic field perpendicular to the coil, will be

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. In an ac dynamo, the peak value of emf is $60\, V$. The induced emf (in $V$) in the position when the armature makes an angle of $30^{\circ}$ with the magnetic field perpendicular to the coil, will be

Electromagnetic Induction

Solution:

$\varepsilon=\varepsilon_{0} \sin \omega t=\varepsilon_{0} \sin \theta=60 \sin 30^{\circ}=30\, V$