Magnetics Interview Questions

Magnetics interview questions

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Total Questions: 5

1. It is not possible to get a constant single frequency using magnetostriction effect.

A. TRUE

B. FALSE

Correct Answer is : TRUE

2. Which of the following effects can be used to produce ultrasonic waves?

A. Magnetostriction effect

B. Doppler Effect

C. Magnetic effect

D. Sound effect

Correct Answer is : Magnetostriction effect

3. When is ultrasonic waves produced using piezo electric oscillator?

A. At constant temperature

B. At resonance

C. At constant pressure

D. At constant voltage

Correct Answer is : At resonance

4. Which of the following causes acoustical grating?

A. Magnetic waves

B. Electric waves

C. Magnetostriction effect

D. Ultrasonic waves

Correct Answer is : Ultrasonic waves

5. What is the principle for measurement of the velocity of ultrasonic waves?

A. Magnetostriction effect

B. Acoustical grating

C. Doppler Effect

D. Acceleration effect

Correct Answer is : Acoustical grating

Magnetics interview questions