Magnetism and Electrom Questions and Answers
Magnetism and Electron Questions with Answers cover the essential principles of electromagnetism and electronic motion. These electronics MCQs are frequently asked in exams like GATE, DRDO, and ISRO. Understanding the relationship between magnetic fields and electron behavior is vital for mastering electronics and electrical engineering fundamentals. Practicing these technical questions strengthens your analytical and conceptual knowledge required for both academic success and interviews. Explore our collection of electronics programming questions and answers with detailed explanations to prepare efficiently for upcoming technical tests.
Magnetism and Electrom
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33 questions
21. The Hall voltage is the voltage created by a conductor moving through a magnetic field.
- TRUE
- FALSE
22. The ability of a material to maintain a magnetized state (without the presence of a magnetizing force) is called hysteresis.
- TRUE
- FALSE
25. A voltage is induced across a conductor if it remains absolutely stationary within a magnetic field.
- TRUE
- FALSE
26. A magnetic material such as iron can change the course of magnetic lines of force.
- TRUE
- FALSE
27. The induced emf of a conductor cutting flux lines is directly proportional to the rate of cutting.
- TRUE
- FALSE
28. The magnetic field, current through the Hall element, and Hall voltage are all at right angles to each other.
- TRUE
- FALSE
29. The operation of an electrical generator relies on electromagnetic induction.
- TRUE
- FALSE
30. What device is similar to an RTD but has a negative temperature coefficient?
- Strain gauge
- Thermistor
- Negative-type RTD
- Thermocouple