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Physics 10 Chapter 16 - Basic Electronics - 6
1.
Which of the following component of CRO produces cathode rays?
a) Anode ray-tube
b) Deflecting plates
c) Fluorescent screen
d) Electron gun
2.
In which of the following component of CRO, an electron source is present?
a) The deflecting plates
b) The electron gun
c) All of these
d) A fluorescent screen
3.
In which of the following component of CRO, grid is present?
a) All of these
b) A fluorescent screen
c) The electron gun
d) The deflecting plates
4.
Which component of electron gun ejects electrons?
a) Negative potential
b) Grid
c) Electron source
d) Anode
5.
Which of the following component of electron gun controls the flow of electrons?
a) Anode
b) Grid
c) Electron source
d) Cathode
6.
Which component of electron gun ejects electrons?
a) Cathode
b) Negative potential
c) Anode
d) Grid
7.
To which potential, grid G is connected?
a) Cationic potential
b) Positive potential
c) Anode potential
d) Negative potential
8.
If we increase the potential of grid G, what will happen?
a) More electrons will reach the screen
b) More electrons will reach the anode
c) More electrons will be passed from the grid
d) More electrons will be repelled from the grid
9.
If we increase the potential of grid G, what will happen?
a) Less electrons will be repelled from the grid
b) More electrons will reach the screen
c) More electrons will reach the anode
d) Less electrons will be passed from the grid
10.
What is produced by the electron gun?
a) Protons rays
b) Cathode rays
c) Positive rays
d) Anode rays
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