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Physics 10 Chapter 16 - Basic Electronics - 7
1.
If we increase the potential of grid G, what will happen?
a) Less electrons will be repelled from the grid
b) More electrons will be passed from the grid
c) More electrons will reach the screen
d) Less electrons will reach the anode
2.
If we increase the potential of grid G, what will happen?
a) More electrons will reach the anode
b) More electrons will be passed from the grid
c) Less electrons will be repelled from the grid
d) Less electrons will reach the screen
3.
Which of the following can be used as a brightness control?
a) Negative potential of the anode
b) Negative potential of the grid
c) Positive potential of the anode
d) Positive potential of the grid
4.
Which component of electron gun is connected to the positive potential?
a) Electron source
b) Anode
c) Cathode
d) Grid G
5.
Which component of electron gun is used to accelerate the electrons?
a) Cathode
b) Grid G
c) Electron source
d) Anode
6.
The electrons are focused into a fine beam as they pass through the......................?
a) Grid G
b) Cathode
c) Anode
d) Electron source
7.
After leaving the electron gun, the electron beam passes between a pair of...........................?
a) Anodes
b) Horizontal plates
c) Vertical plates
d) Cathodes
8.
Which axis movement is provided by horizontal pair of plates?
a) No movement
b) Horizontal movement
c) X-axis
d) Y-axis
9.
Which axis movement is provided by horizontal pair of plates?
a) Horizontal movement
b) Vertical movement
c) X-axis
d) No movement
10.
The number of ...................reaching the screen determines the brightness of the screen?
a) Protons
b) Nucleons
c) Electrons
d) Neutrons
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