WorksheetsDiode and transistor
Total questions: 25
Worksheet time: 27mins
Which parameter is maintained constant in zener diode?
Power
Current
Voltage
Resistance
What is the meaning of maximum safe reverse voltage across a diode?
PIV voltage
Knee voltage
Break down voltage
Reverse break down voltage
Which circuit produces the ripple waveform?
Amplifier circuit
Regulator circuit
Oscillator circuit
Filter circuit
Which component filter the ripples in the rectifier circuit?
DIAC
Diode
TRIAC
Capcitor
What is the output frequency of the full wave rectifier with input frequency of 50 Hz?
40 Hz
60 Hz
100 Hz
200 Hz
Which diode is used in low power communication circuit?
Signal diode
Rectifier diodes
Switching diode
High power diodes
What is the process of adding impurities to a pure semiconductor material?
Doping
Etiching
Forming
Diffusion
How much is the regulated output voltage ?
6V
12V
18V
22V
Which impurity is added to form P type semiconductor material?
Arsenic
Gallium
Antimony
Phophorus
Which impurity is added to pure semiconductor to form N type material?
Boron
Indium
Arsenic
Gallium
What is the output frequency of the pulsating DC in a two diode fullwave rectifier?
Half of the input AC frequency
Double the input AC frequency
Same frequency
Three times the input frequency
What is the name of the process of converting AC into DC voltage?
Inverting
Rectifying
Amplifying
Demodulating
What is the range of output voltage of regulator IC LM 317?
0 to 25 V
0 to 30 V
0 to 32V
1.2 V to 32 V
Which is the three terminal voltage regulator IC has adjustble output ?
LM 100
LM 105
LM 305
LM 317
Which is the 3 terminal ,negative voltage regulator IC?
LM 320
LM 340
IC 7905
IC 7812
How many transistors are built inside the very large scale integration (VLSI) IC package?
1000 and above
1 to 10 transistors
10 to 100 transistors
100 to 1000 transistors
What is the current gain of a common base amplifier?
Less than 1
1
above 10
infinity
What is the current gain of a common collector amplifier?
Very high
Low
High
Medium
What is the current rating of voltage regulator IC LM 317 ?
0.1A
0.2A
0.3A
0.4A
What is the current through the zener diode with full load condition?
Zero
Minimum
Maximum
Remains constant
What is the name of the circuit diagram?
Bridge rectifier
Amplifier circuit
Regulator circuit
Modular circuit
What is the type of amplifier configuration ?
Common base
Common emitter
Common collector
Paraphase amplifier
How many transistors are built inside the Large scale integration?
100 to 1000
1 to 10
1000 above
10 to 100
How much the maximum load current of the negative voltage regulator IC 7912?
1.0 A
1.5A
2.0A
0.55A
Which type of voltage regulator IC 723?
Multipin variable voltage regulator
Three pin positive voltage regulator
Three pin negative voltage regulator
Three pin adjustable voltage regulator
