Consider the rectifier circuit given below The voltage regulation of the rectifier is [VS=Vmsin ωt]

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Consider the circuit shown below If Vs is given by as shown in figure Then Wave form for VL will be

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

From questions no.64 the wave form form for VD

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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Consider the circuit given below If  Vs is 10v square wave of period 4mS, R= and C=20, the waveform for Vc will be as

1.  

2.  

3.  

4.  None of these

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4
Correct Answer :


Explanation :
No Explanation available for this question

A bipolar junction transistor has α=0.99,IB=25 and ICBO =200nA, then DC collector current is

1.  2.475mA

2.  2.465mA

3.  2.485mA

4.  2.495mA

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4
Correct Answer :

2.495mA


Explanation :
No Explanation available for this question

The leakage currents of a transistor are ICBO=5,ICEO=01.4mA and IB=30the value of IC is

1.  247mA

2.  257mA

3.  277mA

4.  287mA

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4
Correct Answer :

287mA


Explanation :
No Explanation available for this question

The leakage currents of a transistor are ICBO=5,ICEO=0.4mA and IB=30 The value of IC is

1.  247mA

2.  257mA

3.  277mA

4.  287mA

View Answer  
4
Correct Answer :

277mA


Explanation :
No Explanation available for this question

A light emitting diode has a greater forward voltage drop than does a common signal diode .Its luminous intensity IV varies directly with forward with forward current and is decreased by IV varies directly with forward current and is described by IV=40Ip.Forward voltage drop Vp=1.6V.now a series circuit is formed using LED, a current resistance R and a 5v D c source VS Then find out the value of R such that luminous intensity is 1mcd

1.  

2.  

3.  

4.  None of these

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4
Correct Answer :


Explanation :
No Explanation available for this question

Consider a p channel silicon JFET with the doping concentration Na3*1016/cm3, Nd=5*1018/cm3. The channel thickness dimensions is a=0.5.The internal pinch off voltage vPO is

1.  5.79V

2.  6.98V

3.  8.56V

4.  9.23V

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4
Correct Answer :

5.79V


Explanation :
No Explanation available for this question

From the above questions pinch off voltage vp is

1.  4.9V

2.  5.1V

3.  7.68V

4.  8.1V

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4
Correct Answer :

4.9V


Explanation :
No Explanation available for this question
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