# Electronic Components and Switching Practice Questions

The following physics revision questions are provided in support of the physics tutorial on Electronic Components and Switching. In addition to this tutorial, we also provide revision notes, a video tutorial, revision questions on this page (which allow you to check your understanding of the topic) and calculators which provide full, step by step calculations for each of the formula in the Electronic Components and Switching tutorials. The Electronic Components and Switching calculators are particularly useful for ensuring your step-by-step calculations are correct as well as ensuring your final result is accurate.

Not sure on some or part of the Electronic Components and Switching questions? Review the tutorials and learning material for Electronic Components and Switching

Electronics Learning Material
Tutorial IDTitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
17.2Electronic Components and Switching

## Electronic Components and Switching Revision Questions

1. What is the potential difference ΔV across the potential divider terminals in the circuit shown in the figure?

1. 12 V
2. 10.5 V
3. 1.7 V
4. 1.5 V

2. What is the current flowing in the main branch of the circuit below?

1. 12 A
2. 8 A
3. 6 A
4. 1.1 A

3. The lamp in the circuit below glows when the current reaches 12 mA. The resistance of thermistor at 1000 C is 4 kΩ and it increases by 50 Ω per every degree drop. At what temperature the lamp starts glowing?

1. At 1400 C
2. At 1000 C
3. At 600 C
4. At 200 C

For more insight on Electronics, go back to the previous article of this section and to sections 14-16 of this course.

## Whats next?

Enjoy the "Electronic Components and Switching" practice questions? People who liked the "Electronic Components and Switching" practice questions found the following resources useful:

1. Practice Questions Feedback. Helps other - Leave a rating for this practice questions (see below)
2. Electronics Physics tutorial: Electronic Components and Switching. Read the Electronic Components and Switching physics tutorial and build your physics knowledge of Electronics
3. Electronics Revision Notes: Electronic Components and Switching. Print the notes so you can revise the key points covered in the physics tutorial for Electronic Components and Switching
4. Check your calculations for Electronics questions with our excellent Electronics calculators which contain full equations and calculations clearly displayed line by line. See the Electronics Calculators by iCalculator™ below.
5. Continuing learning electronics - read our next physics tutorial: Electronic Essentials: Analogue and Digital Signals, Binary Operations and Logic Gates