| 1 |
In photovoltaic cell, current is directly proportional to. |
Wavelength of light
Intensity of light
Energy
Frequency of light
|
| 2 |
Conversation of only one half of A.C. into D.C. is called. |
Half wave amplification
Wave amplification
Half wave electrification
Half wave rectification
|
| 3 |
Rectification is the process of converting. |
D.C. into A.C.
A.C. in to D.C.
Low signal to high
High signal to low
|
| 4 |
A.C. can be converted into D.C. by |
An oscillator
Detector
An amplifier
Rectifier
|
| 5 |
Pulsating output of full wave rectifier can be made smooth by using circuit called. |
Filter
Amplifier
Resistor
Transistor
|
| 6 |
The output voltage of a rectifier is. |
Smooth
Pulsating
Alternating
Per featly direct
|
| 7 |
For rectification we use. |
Transformer
Diode
Choke
Generator
|
| 8 |
During negative half cycle of A.c then p-n junction offers. |
High resistance
Low resistance
No resistance
All of these
|
| 9 |
In full wave rectification number of diodes required are equal to. |
2
3
4
5
|
| 10 |
Minimum number of semi conductor diodes required for full wave rectification are. |
1
2
3
4
|
| 11 |
_______ is the building block of every electronic circuit. |
Semi conductor diode
Resistor
Capacitor
Amplifier
|
| 12 |
A diode characteristics curve is a plot between |
Current and resistance
Voltage and time
Voltage and current
Current and time
|
| 13 |
Depletion region carries. |
-ve charge
+ve charge
Ions
No charge
|
| 14 |
The ratio of potential barriers of Ge to Si at room temperatrue is. |
7:3
1:3
2:5
3:7
|
| 15 |
A PN junction can not be sued a. |
Rectifier
Amplifier
Detector
LED
|
| 16 |
A diode characteristic curve is a plot between |
Current and time
Voltage and time
Voltage and current
Forward voltage and reverse voltage
|
| 17 |
Which factor does not affect the conductivity of PN-Junction diode. |
Doping
Temperature
Voltage
Pressure
|
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