SUMMATIVE TEST IN ELECTRONICS- QUARTER 1
Quiz by Margarita Salaria
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- Q 1/50Score 0
This device is used to restrict the amount of current flow through a device.
29C
B
A
D
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- Q1
This device is used to restrict the amount of current flow through a device.
C
B
A
D
30sEditDelete - Q2
It allows current to flow only in one direction.
B
C
A
D
30sEditDelete - Q3
Which of the following material is an insulator?
Integrated Circuit
Copper
Diode
Paper
30sEditDelete - Q4
Which of the following describes the temperature dependence of an insulator?
The resistance of an insulator decreases in high temperature
The resistance of an insulator increases as the temperature increases
All of the above
The resistance of an insulator is very high but still decreases at low temperature
30sEditDelete - Q5
This material permits moving charges to pass through.
Conductor
Insulator
Semiconductor
all these
30sEditDelete - Q6
Why does a semiconductor can permit or not permit moving charges to pass through?
Because wide band gap and no hole
Because of moving charge and holes in the band gap
All the given
Because there is no space on the band gap
30sEditDelete - Q7
Which of the following is the best example of a semiconductor?
Bulb
Paper
Integrated circuit
Wood
30sEditDelete - Q8
Which of the following statement is true?
The coefficient of resistivity of an insulator is positive
The coefficient of the semiconductor is positive
The coefficient of semiconductors and insulators are negative except that insulator has very high resistance.
The coefficient of resistivity of a conductor is negative
30sEditDelete - Q9
It is used in removing soldered wires and components on printed circuit boards for troubleshooting and repair purposes.
soldering iron
de-soldering tool
electric drill
side cutter
30sEditDelete - Q10
Used for trimming component leads close to the circuit board.
round file
Side cutters
Phillips
multi-tester
30sEditDelete - Q11
Plastic bottle is classified as ;
Insulator
Conductor
Semiconductor
Metal
30sEditDelete - Q12
A wet cloth is ;
Insulator
Semiconductor
Compound
Conductor
30sEditDelete - Q13
Rubber tires are;
Semiconductor
Metal
Insulator
Conductor
30sEditDelete - Q14
Gold coins are;
Insulator
Semiconductor
Element
Conductor
30sEditDelete - Q15
Silicon Chips are;
Semiconductor
Insulator
Conductor
Metal
30sEditDelete - Q16
This is the symbol for the indicator lamp;
B
D
A
C
30sEditDelete - Q17
The symbol for PNP Transistor
C
D
A
B
30sEditDelete - Q18
The symbol for Light Emitting Diode
B
E
C
D
30sEditDelete - Q19
The symbol for AC supply
D
B
A
C
30sEditDelete - Q20
The symbol for the Microphone
D
E
B
C
30sEditDelete
