Question

Optocoupler consists of a phototransistor and a led.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Answer: (a).True

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Optocoupler consists of a phototransistor and a led.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. When an open circuited pn junction is illuminated then _________________

Q. Photoconductors are made of _______

Q. Phototubes are very quick in response to light.

Q. Commonly used photoemissive material is _______

Q. Photoconductive transducers produce output ________

Q. Photoelectric transducers consist of _______

Q. Optical radiations involve _________

Q. A quartz crystal is _________

Q. Microphone converts light into heat.

Q. A piezoelectric transducer is used as an ignition source for a cigarette.

Q. A piezoelectric transducer has a _________

Q. In kitchen applications a piezoelectric crystal is used for _________

Q. When a compressive force is applied to a quartz crystal then ____________

Q. Piezoelectric transducer consists of _________

Q. Piezoelectric crystals produce _________

Q. Piezoelectric crystals __________

Q. Piezoelectric transducer is used for measuring __________

Q. For accurate temperature measurement in a thermocouple the __________

Q. Which of the following should satisfy for measuring higher temperatures using a thermocouple?

Q. If two different metals are joined forming a closed circuit an electric current flows.

Recommended Subjects

Are you eager to expand your knowledge beyond Electrical Measurement and Instrumentation? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!