Magnetism & Electromagnetism Mcqs Start Creating PDF
Magnetism & Electromagnetism Mcqs, this topic has 83 mcqs, It takes five to ten minutes to complete this free magnetism & electromagnetism mcqs test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "magnetism & electromagnetism mcqs" MCQs and share with your friends, brothers, sisters.
magnetism & electromagnetism mcqs (Total Quiz: 83)
MCQ: Magnetism of a magnet can be destroyed by_____________?
- heating
- hammering
- by inductive action of another magnet
- by all above methods
D
MCQ: Main causes of noisy solenoid are______________?
- strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force
- uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts
- both of above
- none of the above
C
MCQ: Core of an electromagnet should have____________?
- low coercivity
- high susceptibility
- both of the above
- none of the above
C
MCQ: For which of the following materials the net magnetic moment should be zero ?
- Diamagnetic materials
- Ferrimagnetic materials
- Antiferromagnetic materials
- Antiferrimagnetic materials
C
MCQ: Temporary magnets are used in______________?
- loud-speakers
- generators
- motors
- all of the above
D
MCQ: The susceptibility of paramagnetic materials generally lies between____________?
- KT3 and 1CT6
- 1CT3 and 1CT7
- KT4 and KT8
- 10″2 and KT5
A
MCQ: The attraction capacity of electromagnet will increase if the_______________?
- core length increases i
- core area increases
- flux density decreases
- flux density increases
D
MCQ: For which of the following materials the saturation value is the highest ?
- Ferromagnetic materials
- Paramagnetic materials
- Diamagnetic materials
- Ferrites
D
MCQ: The stray line of magnetic flux is defined as_____________?
- a line vertical to the flux lines
- the mean length of a ring shaped coil
- a line of magnetic flux in a non-uniform field
- a line of magnetic flux which does not follow the designed path
D
Related Keywords
- electronic and magnetism
- magnetism and electromagnetism
- superconductor electromagnet