12th Class Fsc Physics Online Preparation

Online Short Questions For Chapter 3 "12th Class Physics Chapter 3 Short Questions Preparation "

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Physics - 12th Class Physics Chapter 3 Short Questions Preparation

Question # 1

What is current sensitive of a galvanometer?

  • Ans 1: A galvanometer which gives large deflection for the small current is called a sensitive galvanometer,The degree of deflection of galvanometer by unit current passing through it is referred as it sensitivity.It can be made more sensitive.
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Prepare Complete Set Wise Questions For Chapter 3 "12th Class Physics Chapter 3 Short Questions Preparation "

12th Class Physics Chapter 3 Short Questions Preparation - Set 1

Question # 1

What is current sensitive of a galvanometer?

  • Ans 1: A galvanometer which gives large deflection for the small current is called a sensitive galvanometer,The degree of deflection of galvanometer by unit current passing through it is referred as it sensitivity.It can be made more sensitive.
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12th Class Physics Chapter 3 Short Questions Preparation - Set 2

Question # 1

Why the voltmeter should have the very high resistance?

  • Ans 1: A voltmeter is connected in parallel to the resistor to measure potential difference across it,it should have very high resistance so that practically a very little current should pass through it and the current of the circuit should almost remains constant,so that it might measure the potential difference across a resistor accurately.
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12th Class Physics Chapter 3 Short Questions Preparation - Set 3

Question # 1

Define stable galvanometer and Ohmmeter.

  • Ans 1: A galvanometer in which the coil comes to rest quickly after the current passed through it or the current is stopped from flowing through it is called Stable or Dead Beat galvanometer.
    Ohmmeter is a useful device for rapid measurement of resistance.it measure resistance in Ohm.
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12th Class Physics Chapter 3 Short Questions Preparation - Set 4

Question # 1

Define ammeter and voltmeter.

  • Ans 1: An ammeter is an electrical instrument which is used to measure current in amperes.
    A voltmeter is an electrical device which measure the potential difference in volts between two points.
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14th Chapter

12th Class Physics Ch 14 Preparation

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