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12th Class Physics
Short Questions Preparation
Start Chapter 18 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 18 Short Questions Preparation
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Total Questions10
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Available Sets3
Physics - ICS Part 2 Physics Chapter 18 Short Questions Preparation
Question # 1
What is principle of vital ground?
- Ans 1: In an operational amplifier ,if the non inverting terminal is grounded by the concept of virtual ground the inverting terminal is also at ground potential though there is no physical connection between the inverting terminal and the ground,This is the principle of virtual ground.
ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 1
Question # 1
What is principle of vital ground?
- Ans 1: In an operational amplifier ,if the non inverting terminal is grounded by the concept of virtual ground the inverting terminal is also at ground potential though there is no physical connection between the inverting terminal and the ground,This is the principle of virtual ground.
ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 2
Question # 1
What is meant by rectification?
- Ans 1: The conversing of alternating current signal into pulsating direct current signal is called rectification.The current for this purpose is called rectifier circuit.
ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 3
Question # 1
Give any two characteristics of operational amplifier.
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Ans 1: Input Resistance: It is the resistance between the + and - input of the amplifier,Whose value is of the order of several mega ohms.Output resistance:It is the resistance between the output terminal and ground.Its value is only a few ohms.
