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
31. What device is similar to an RTD but has a negative temperature coefficient?
- Strain gauge
- Thermistor
- Negative-type RTD
- Thermocouple
32. The silicon-controlled rectifier can be turned off
- by a negative gate pulse
- by forced commutation
- with the off switch
- when the breakover voltage is exceeded
33. The output voltage of a typical thermocouple is
- less than 100 mV
- greater than 1 V
- Thermocouples vary resistance, not voltage.
- None of the above