MCQOPTIONS
Bookmark
Saved Bookmarks
→
Physics
→
Conservation of energy and momentum in Physics
→
In an a.c. generator, electrical energy is conver..
1.
In an a.c. generator, electrical energy is converted to mechanical energy by electromagnetic induction.
A.
True
B.
False
Answer» C.
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
An a.c. generator consists of a coil of 50 turns and an area 2.5 m2 rotating at an angular speed of 60 rad s-1 in a uniform magnetic field of 0.3 T between two fixed pole pieces. What is the flux through the coil, when the current is zero?
‘X’ is a rectangular coil consisting of a large number of turns of copper wire wound over a soft iron core in an a.c. generator. Identify X.
In an a.c. generator, electrical energy is converted to mechanical energy by electromagnetic induction.
An armature coil consists of 30 turns of wire, each of area A = 0.05 m2 and total resistance of 10 Ω. It rotates in a magnetic field of 0.15T at a constant frequency of \(\frac {140}{\pi }\) Hz. Determine the value of maximum induced emf produced in the coil.
Identify the principle behind the working of an a.c. generator.
Adithya peddles a stationary bicycle the pedals of which are attached to a 500 turn coil of area 11 m2. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 20.5 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil?
An a.c. generator consists of a coil of 1000 turns and cross-sectional area of 3m2, rotating at a constant angular speed of 60 rad s-1 in a uniform magnetic field 0.04 T. The resistance of the coil is 500Ω. Calculate the maximum current drawn from the generator.
A 100 turn coil of area 0.1 m2 rotates at half a revolution per second. It is placed in a uniform magnetic field of 0.01 T perpendicular to the axis of rotation of the coil. Calculate the maximum voltage generated in the coil?
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply