Explore topic-wise MCQs in Electronic Devices.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices knowledge and support exam preparation. Choose a topic below to get started.

1.

When no light is emitted from an LED, the forward current is almost negligible and is called the .

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

Refer to this figure. If V increases, I will

A. increase.
B. decrease.
C. remain the same.
Answer» B. decrease.
Discussion
3.

Refer to this figure. If V decreases, I will

A. increase.
B. decrease.
C. remain the same.
Answer» C. remain the same.
Discussion
4.

Refer to this figure. If the load current increases, I will ________ and I will ________.

A. remain the same, increase
B. decrease, remain the same
C. increase, remain the same
D. remain the same, decrease
Answer» E.
Discussion
5.

An 8.2 V zener has a resistance of 5. The actual voltage across its terminals when the current is 25 mA is

A. 8.2 V.
B. 125 mV.
C. 8.325 V.
D. 8.075 V.
Answer» D. 8.075 V.
Discussion
6.

Refer to this figure. If V attempts to increase, V will

A. increase.
B. decrease.
C. remain the same.
Answer» B. decrease.
Discussion