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WorksheetsPHYSICS FORM 5 ELECTRONIC
Total questions: 10
Worksheet time: 5mins
Which of the following statements is correct for cathode rays?
It is a radioactive radiation
It moves slowly at low temperatures
It can be deflected by a magnetic field
Its kinetic energy can be converted to elastic potential energy
The following is a statement regarding electron emission
"Emission of free electrons from a heated metal surface"
This statement is a definition for
Cathode rays
Thermionic radiation
Thermal radiation
Photoelectric effect
The diagram shows the structure of a vacuum tube where cathode rays are emitted from the cathode metal Which part of the cathode ray moves with a uniform velocity?
PQ
RS
QR
PR
The diagram shows a symbol that represents an electronic component.
What is an Electronic component?
Diod
Resistor
Capacitor
Transistor
The diagram shows two circuits, S and T connected with similar diodes and bulbs.
What will happen to the bulbs in both circuits?
Litar S
Light up
Litar T
Light up
Litar S
No flame
Litar T
Light up
Litar S
Light up
Litar T
No flame
Litar S
No flame
Litar T
No flame
The diagram shows two types of resistors M and N.
Which of the following is true?
Resistance M
Low when light intensity is high
Resistance N
Low when light intensity is low
Resistance M
Low when light intensity is high
Resistance N
Low when the temperature is high
Resistance M
Low when the temperature is high
Resistance N
Low when the temperature is low
Resistance M
Low when light intensity is low
Resistance N
Low when the temperature is low
The diagram shows the symbol for a transistor
What are the names of terminals P, Q and R?
P - Collector
Q -Base
R - Emitter
P - Base
Q - Collector
R - Emitter
P - Collector
Q - Emitter
R - Base
P - Emitter
Q - Base
R - Collector
If C, B and E have the common meaning of a transistor,
which of the following transistors is labeled correctly?
The diagram shows the inside of an electronic circuit What is the function of the Z component?
To change d.g.e battery
To change the current through resistors X and Y
To raise the voltage of resistor X
To allow current to flow in one direction only
The diagram shows a transistor circuit
Which of the following causes the siren to sound?
Resistor R is removed
The environment is hot
The environment is cool
The battery terminals are reversed
