We are providing the list of MCQs on Magnetic Field multiple choice questions and answers for the preparedness of all type of quizzes related to Magnetism. If you are interested to learn the concepts of Basic Electronics through multiple choice questions with key then read all the top 26 MCQs completely. You will be surely qualify for all kinds of Quiz / tests / Interviews after understanding the principle of magnetic lines. If you are a students, technician and teacher then you can learn the basic concept of magnetic field principle, function and application.
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Magnet Field – Definition
The path of magnetic lines of force is called Magnetic Field. A magnetic field is produced by moving electric charges. Magnetic field and electric field are both interrelated to each other.
Magnetic Field MCQs (Short Questions and Answers)
Q1. The phenomena of magnetism was discovered by ancient Greek in about ________.
- 500 BC
- 100 BC
- 5000 BC
- 50 BC
Answer: b
Q2. The peculiar stone having magnetic characteristics called Lodestone. True/False
Answer: True
Q3. The magnet has ____________ poles.
- 2
- 3
- 4
- 1
Answer: a
Q4. Earth is a huge natural magnet. True/False
Answer: True
Q5. Every magnet has a magnetic field which is _____________.
- visible
- invisible
- ultraviolet
- All are incorrect
Answer: b
Q6. The number of magnet field lines can be measure through Special test equipment. True/False
Answer: True
Q7. Earth geographic South Pole has ____________ magnetic polarity.
- South
- North
Answer: b
Q8. The group of magnetic field lines called Magnetic Flux. True/False
Answer: True
Q9. A strong magnetic field has ____________lines of force.
- Less
- More
- Infinite
- Straight
Answer: b
Q10. The symbol of magnetic flux is Φ (Phi). True/False
Answer: True
Q11. One ____________ Unit equals to one magnetic field line.
- Maxwell
- Weber
- Micro-Weber
- Tesla
Answer: a
Q12. A 1-Ib magnet can provide magnetic flux of about 5000 Maxwell. True/False
Answer: True
Q13. Large of unit of magnetic flux is _________________.
- Kelvin
- Joule
- Weber
- Pascal
Answer: c
Q14. The unit Maxwell is a named because of scientist James Clerk Maxwell (1831-1879). True/False
Answer: True
Q15. One Weber is equal to _________________.
- One volt per second
- 108 Maxwells
- 1 × 10^8 Line/Mx
- 1 × 10^-8 Line/Mx
Answer: c
Q16. The unit Weber is a named because of Scientist named Wilhelm Weber (1804-1890). True/False
Answer: True
Q17. __________ unit is larger than Maxwell unit.
- Weber
- Tesla
- Micro-Weber
- Gauss
Answer: c
Q18. CGA defines small and MKS defines larger units. True/False
Answer: True
Q19. CGS stands for ___________.
- Centimeter-Gram-Second
- Comparative Genome Sequencing
- China, Glass, Silver
- Celtic Global Services
Answer: a
Q20. MKS stands for Meter-Kilogram-Second. True/False
Answer: True
Q21. SI stands for ___________.
- System International
- System Integration
- System Information
- Signal Integrity
Answer: a
Q22. Maxwell is a CGS unit. True/False
Answer: True
Q23. Weber is ___________ unit.
- CGS
- MKS
Answer: b
Q24. Tesla is a larger unit than Gauss. True/False
Answer: True
Q25. One Tesla is equal to __________________.
- 10 × 10^8 G
- 1 × 10^4 G
- 1 × 10^-4 G
- 1 × 10^8 G
Answer: b
Q26. Flux includes total area whereas, flux density for specific unit area. True/False
Answer: True