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Magnetic Devices Online Flashcards and Quiz
By presenting 3 options to choose from, Magnetic Devices Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Magnetic Devices Questions and Answers and click over the correct answer.
- Test Name: Magnetic Devices MCQ Quiz Practice
- Type: MCQ’s
- Total Questions: 40
- Total Marks: 40
- Time: 40 minutes
Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.
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Magnetic Devices Flashcards
Which principle is employed by magnetic flow meters to measure fluid velocity?
Electromagnetic induction
What type of device uses an electromagnet to produce sound?
What is the primary purpose of a magnetic tape drive?
What is the function of a magnetic levitation (maglev) train?
Use magnetic forces to lift and propel the train
Which device uses magnetic fields to deflect electron beams in CRT monitors?
What is a primary application of a magneto-resistive sensor?
What is the primary function of a magnetic encoder?
Measure rotational position
What is the purpose of a magnetic latching relay?
Maintain its state without continuous power
What is the primary use of a superconducting magnet?
What device uses the principle of electromagnetic induction to generate electricity?
What is the role of a magnetic clutch in automotive applications?
Engage and disengage power transmission
Which material is commonly used for making permanent magnets?
What is the main purpose of a magnetic bearing?
Reduce friction in rotating machinery
What type of sensor is commonly used in anti-lock braking systems (ABS)?
Which phenomenon is used in magnetic levitation trains?
Electromagnetic suspension
What is the function of a magnetic amplifier?
Amplify electrical signals
What type of device uses magnetic flux to measure rotational speed?
What is a common application of ferrite cores in electronics?
Reducing electromagnetic interference
What is the purpose of using magnetic nanoparticles in medical applications?
Which device uses magnetic fields to read and write data on optical discs?
What is the key principle behind the operation of an inductor?
Induced electromotive force
What is a Hall effect sensor used for?
Detecting magnetic fields
Which device measures the strength and direction of magnetic fields?
What type of magnetic device is used in credit cards for storing information?
What is the primary use of magnetic shielding?
Which type of magnetic material retains its magnetism after the external magnetic field is removed?
What is the main function of a magnetic relay?
Switch electrical circuits
What type of device uses magnetostrictive materials?
What is the purpose of a magnetic field sensor in a smartphone?
Which phenomenon is utilized in magnetic resonance imaging (MRI)?
Nuclear magnetic resonance
What device uses magnetic fields to transfer electrical energy between two circuits?
What is the main advantage of using a magnetic levitation (maglev) system?
What type of memory uses magnetic storage technology?
Which material is known for its high magnetic permeability?
What property of materials determines their magnetic permeability?
What is a common application of a solenoid?
Which device converts electrical energy into mechanical motion using magnetism?
What is the function of a magnetic sensor?
What device uses magnetic fields to store data?
What is the primary material used in the core of an electromagnet?
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