WorksheetsBasic Electronics-Set A
Total questions: 20
Worksheet time: 27mins
Which among these are semiconductor devices
BJT
LED
Zener
Op-Amp
β represents the gain of the transistor
True
False
In transistors conduction occurs due to the flow of
Minority charge carriers
Majority charge carriers
Both majority and minority charge carriers
An n type semiconductor is obtained by doping an intrinsic semiconductor with a
Pentavalent impurity
Trivalent impurity
Zener diode is a:
Lightly doped p-n diode
Heavily doped p-n diode
Normally doped p-n diode
None of the above
A junction diode that can operate in reverse breakdown voltage is called:
Schottky diode
Tunnel diode
Junction diode
Zener diode
An Op-Amp can be used to perform mathematical operations.
True
False
Which of the following are active electronic devices
Diodes
Transistors
Resistors
Transformers
Which of the following parameter cannot be directly measured with a multimeter
Frequency
Temperature
Power factor
Resistance
A simple diode rectifier has ripples in the output which can be removed by using:
A capacitor in series with the load resistance
A capacitor in parallel with the load resistance
Both the above mentioned combinations will work
None of the above
A signal given to the non-inverting terminal of the op-amp is
Inverted and amplified
Neither inverted nor amplified
Not inverted but amplified
Inverted but not amplified
A transistor has:
One p-n junction
Two p-n junctions
Cannot be determined
Can have any number of junctions based on the operation desired
The base region of a transistor is doped:
Heavily
Moderately
Lightly
None of the above
In a PNP Transistor the majority charge carriers are:
Electrons
Holes
Both holes and electrons
Ions
7408 is a
Quad two input AND Gate IC
Triple three input AND Gate IC
Double four input AND Gate IC
Quad two input NAND Gate IC
Simplify the following Boolean Expression:
A+AB
A
B
AB
A+B
Which among the following are universal gates
NAND and NOR
NAND and AND
AND and OR
NOR and OR
How many diodes are used in a single phase full wave bridge rectifier?
8
4
2
3
What is the two's compliment of 0111
1001
1100
0011
1000
The binary number of hexadecimal number B8
1011 1000
1010 1000
1110 1000
1001 1000
