Electronics - Thyristors and Tranducers

Why Electronics Thyristors and Tranducers?

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How to solve Electronics Thyristors and Tranducers problems?

You can easily solve all kind of Electronics questions based on Thyristors and Tranducers by practicing the objective type exercises given below, also get shortcut methods to solve Electronics Thyristors and Tranducers problems.

Exercise :: Thyristors and Tranducers - General Questions

1. 

A TRIAC:

A. can trigger only on positive gate voltages
B. can trigger only on negative gate voltages
C. cannot be triggered with gate voltages
D. can be triggered by either a positive or a negative gate voltage

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

2. 

When checking a good SCR or TRIAC with an ohmmeter it will:

A. show high resistance in both directions
B. show low resistance with positive on anode and negative on cathode, and high resistance when reversed
C. show high resistance with negative on anode and positive on cathode, and low resistance when reversed
D. show low resistance in both directions

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

What does a hall effect sensor sense?

A. temperature
B. moisture
C. magnetic fields
D. pressure

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

What causes the piezoelectric effect?

A. heat or dissimilar metals
B. pressure on a crystal
C. water running on iron
D. a magnetic field

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

5. 

Which is the DIAC?

A. mca14_10012a1.gif
B. mca14_10012b1.gif
C. mca14_10012c1.gif
D. mca14_10012d1.gif

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.