Electrical Engineering Questions And Answers :: Magnetism And Electromagnetism: part3



Electrical Engineering : Magnetism And Electromagnetism QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.The change of cross-sectional area of conductor in magnetic field will affect

reluctance of conductor
resistance of conductor
(a) and (b) b >th in the same way
none of the above

2.Which of the following statements is correct ?

The magnetic flux inside an exciting coil is lower than its outside surface
The magnetic flux inside an exciting coil is zero
The magnetic flux inside the exciting coil is greater than its outside surface
The magnetic flux inside the exciting coil is same as on its outside surface

3.Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials.

circular
triangular
rectangular
none of the above

4.Magnetic moment is a

pole strength
universal constant
scalar quantity
vector quantity

5.A permanent magnet

attracts some substances and repels others
attracts all paramagnetic substan�ces and repels others
attracts only ferromagnetic sub�stances
attracts ferromagnetic substances and repels all others

More Magnetism And Electromagnetism QUESTIONS AND ANSWERS available in next pages

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