2nd Year Physics Chapter 18 Online Preparation (Electronics)

Online Short Questions For Chapter 7 "12th Class Physics Chapter 7 Short Questions Preparation "

Try The Short Questions For 12th Class Physics Chapter 7 Short Questions Preparation

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Physics - 12th Class Physics Chapter 7 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 "12th Class Physics Chapter 7 Short Questions Preparation "

12th Class Physics Chapter 7 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.
Submit

12th Class Physics Chapter 7 Short Questions Preparation - Set 2

Question # 1

What is photodiode?Write down its two main applications.

  • Ans 1: Photodiode is used for the detection of light.It is used in reverse biased state.Reverse current increase with the intensity of incident light.When no light incidents then reverse current will be negligble.It is used as
    1. Detection of both visible and and invisible radiations
    2. Automatic switching
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12th Class Physics Chapter 7 Short Questions Preparation - Set 3

Question # 1

Give four application or uses of photodiode?

  • Ans 1: It is used as
    1. Detection of both visible and invisible radiations.
    2. Logic circuits
    3. Automatic switching
    4. Optical communication equipment
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18th Chapter

12th Class Physics Ch 18 Preparation

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