Explore topic-wise MCQs in Instrumentation Transducers.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.

1.

PHOTO_TRANSISTOR_IS_A_THREE_TERMINAL_DEVICE.?$

A. True
B. False
Answer» C.
Discussion
2.

Which of the following are used to form photo transistors?

A. Two photo diodes
B. Three photo diodes
C. Normal diodes
D. None of the mentioned
Answer» B. Three photo diodes
Discussion
3.

Semiconductor layer using silicon and germanium is known as _______________

A. Photo diodes
B. Photo junction diodes
C. Photo material
D. Photo sensitive materials
Answer» C. Photo material
Discussion
4.

Which of the following materials can be used as photoconductive transducer?

A. Selenium
B. Silicon
C. Germanium
D. All of the mentioned
Answer» E.
Discussion
5.

Photo resistive cells are _____________

A. Active device
B. Passive device
C. Insulating device
D. None of the mentioned
Answer» C. Insulating device
Discussion
6.

LDR’s are also called_______________$

A. Photo voltaic cell
B. Photo resistive cell
C. Photo emissive cell
D. All of the mentioned
Answer» C. Photo emissive cell
Discussion
7.

Which of the following quantities are insensitive to solid state semiconductor photoelectric transducers?

A. X ray
B. Gamma ray
C. Alpha and beta rays
D. None of the mentioned
Answer» E.
Discussion
8.

Why inert gas is used in photo electric transducers?

A. To increase efficiency
B. To increase sensitivity
C. To increase robustness
D. None of the mentioned
Answer» C. To increase robustness
Discussion
9.

In photo emissive transducers, electrons are attracted by ___________

A. Cathode
B. Anode
C. Grid
D. Body
Answer» C. Grid
Discussion
10.

Photoelectric devices are sensitive to all wavelength.

A. True
B. False
Answer» C.
Discussion