My Report

Physics – Class 12 Practice Test 10


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Which of the following is the purpose of the transmitter?

2. A transistor having α = 0.90 is used in a common base amplifier. If the load resistance is 5.0 kΩ and the dynamic resistance of the emitter junction is 50 Ω, then calculate the voltage gain.

3. What is the electrical analogue of the information produced by the source?

4. What refers to the band of frequencies of the original signal?

5. How many types of Integrated Circuits are there?

6. What happens in a frequency modulated wave?

7. In communication with help of antenna if the height is doubled, then the range covered which was initially r would become what?

8. What is the maximum power rating for an IC?

9. The maximum distance upto which TV transmission from a TV tower of height h can be received is proportional to which of the following?

10. The ripple frequency of a full-wave rectifier is twice to that of a half-wave rectifier.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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