ICS Part 2 Physics Chapter 18 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "

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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.
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Prepare Complete Set Wise Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "

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.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 2

Question # 1

Why the biasing requirement of the junction of a transistor for its normal operation?

  • Ans 1: For the normal operation the base emitter junction of transistor is forward biased and collector base junction is reverse biased.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 3

Question # 1

Give any two characteristics of operational amplifier.

  • 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.
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18th Chapter

ICS Part 2 Physics Chapter 18 Short Questions Preparation

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