TasDia Network
TasDia Network

MCQs 1: Fleming’s left hand rule is used to find_________________?

direction of magnetic field due to current carrying conductor direction of flux in a solenoid direction of force on a current carrying conductor in a magnetic field polarity of a magnetic pole
Answer Explanation

MCQs 2: Magnetising steel is normals difficult because____________?

it corrodes easily it has high permeability it has high specific gravity it has low permeability
Answer Explanation

MCQs 3: When an iron piece is placed in a magnetic field_____________?

the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the iron piece will break
Answer Explanation

MCQs 4: The ratio of intensity of magnetisation to the magnetisation force is known as_____________?

flux density susceptibility relative permeability none of the above
Answer Explanation

MCQs 5: Materials subjected to rapid reversal of magnetism should have______________?

large area oiB-H loop high permeability and low hysteresis loss high co-ercivity and high retentivity high co-ercivity and low density
Answer Explanation

MCQs 6: The unit of relative permeability is_____________?

henry/metre henry henry/sq. m it is dimensionless
Answer Explanation

MCQs 7: Indicate which of the following material does not retain magnetism permanently

Soft iron Stainless steel Hardened steel None of the above
Answer Explanation

MCQs 8: The force between two long parallel conductors is inversely proportional to_____________?

radius of conductors current in one conductor product of current in two conductors distance between the conductors
Answer Explanation

MCQs 9: The left hand rule correlates to______________?

current, induced e.m.f. and direction of force on a conductor magnetic field, electric field and direction of force on a conductor self induction, mutual induction and direction of force on a conductor current, magnetic field and direction of force on a conductor
Answer Explanation

MCQs 10: A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be______________?

zero BLI B2LI BLI2
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.