The stray line of magnetic flux is defined as
A. a line vertical to the flux lines
B. the mean length of a ring shaped coil
C. a line of magnetic flux in a non-uniform field
D. a line of magnetic flux which does not follow the designed path
Answer: Option D
This Question Belongs to Electrical Engineering >> Magnetism And Electromagnetism
Which of the following is a vector quantity?
A. Relative permeability
B. Magnetic field intensity
C. Flux density
D. Magnetic potential
What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current?
A. 2,400 At
B. 240 At
C. 24 At
D. 2.4 At
Magnetism of a magnet can be destroyed by
A. heating
B. hammering
C. by inductive action of another magnet
D. by all above methods
Strength of an electromagnet can be increased by
A. increasing the cross-sectional area
B. increasing the number of turns
C. increasing current supply
D. all above methods
Join The Discussion