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Online Short Questions For Chapter 3 "ICS Part 2 Physics Chapter 14 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 14 Short Questions Preparation

Question # 1

How can galvanometer be made more sensitive?

  • Ans 1: Since I=c/BAN theta
    A galvanometer can be made more sensitive if c/BAN is made small.
    Thus,to increase the sensitivity of galvanometer,c may be decreased or B,A and N may be increased.
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Prepare Complete Set Wise Questions For Chapter 3 "ICS Part 2 Physics Chapter 14 Short Questions Preparation "

ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 1

Question # 1

How can galvanometer be made more sensitive?

  • Ans 1: Since I=c/BAN theta
    A galvanometer can be made more sensitive if c/BAN is made small.
    Thus,to increase the sensitivity of galvanometer,c may be decreased or B,A and N may be increased.
Submit

ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 2

Question # 1

On what factors the induced currents due to motional emf depend.

  • Ans 1: The current can be increased by the following factors :
    1. Using a stronger magnetic field
    2. Moving the loop faster
    3. Replacing the loop with a coil of many turns
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ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 3

Question # 1

Briefly give the function of Filament,Cathode,Grid and plates in C.R.O.

  • Ans 1: Filament: It heats the cathode.
    Cathode: It emits the electrons.
    Grid:It controls the number of electrons.
    Plates: The two sets of plates are used to deflect the beam of electrons along x axis and y axis.
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ICS Part 2 Physics Chapter 14 Short Questions Preparation - Set 4

Question # 1

Why soft iron cylinder is placed inside the coil of galvanometer?

  • Ans 1: The soft iron cylinder makes the magnetic field stronger and radial such that into whatever position the coil rotates,the magnetic field is always parallel to its plane.
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