The impedance seen by the source in the given circuit is

1.  ( 0.54 + j0.313) ohms

2.  ( 4 –j2 ) ohms

3.  ( 4.54 – j1.69 ) ohms

4.  ( 4 + j2 ) ohms

View Answer  
4
Correct Answer :

( 4.54 – j1.69 ) ohms


Explanation :
No Explanation available for this question

Consider star network shown in the given figure, The resistance between terminals A and B with C open is 6Ω , between terminals B and C with A open is 11 Ω, and between terminals C and A with B open is 9 Ω, Then

1.  RA = 4 Ω, RB = 2 Ω, RC = 5 Ω

2.  RA = 2 Ω, RB = 4 Ω, RC = 7 Ω

3.  RA = 3 Ω, RB = 3 Ω, RC = 4 Ω

4.  RA = 5 Ω, RB = 1 Ω, RC = 10 Ω

View Answer  
4
Correct Answer :

RA = 2 Ω, RB = 4 Ω, RC = 7 Ω


Explanation :
No Explanation available for this question

A segment of a circuit is shown in the given figure VR = 5V, Vc= 4 sin 2t ,The voltage VL is given by

1.  3 – 8 cos 2t

2.  32 sin 2t

3.  16 sin 2t

4.  16 cos 2t

View Answer  
4
Correct Answer :

32 sin 2t


Explanation :
No Explanation available for this question

Two ac sources feed a common variable resistive load as shown in the given figure , Under maximum power transfer condition , power adsorbed by the load resistance RL is

1.  2200 W

2.  1250 W

3.  1000 W

4.  625 W

View Answer  
4
Correct Answer :

625 W


Explanation :
No Explanation available for this question

In the following circuit, power delivered to resistor R is

1.  – 15 W

2.  0 W

3.  15 W

4.  Can’t be determined unless value of R is shown

View Answer  
4
Correct Answer :

0 W


Explanation :
No Explanation available for this question

Voltage across the terminals a and b in the given figure is

1.  0.5 V

2.  3.0 V

3.  3.5 V

4.  4.0 V

View Answer  
4
Correct Answer :

3.5 V


Explanation :
No Explanation available for this question

Value of the resistance R, connected across the terminals A and B,(see given figure), which will absorb maximum power is

1.  4.00 kΩ

2.  4.11 kΩ

3.  8.00 kΩ

4.  9.00 kΩ

View Answer  
4
Correct Answer :

4.00 kΩ


Explanation :
No Explanation available for this question

A ramp voltage v(t) = 100 volts, is applied to an RC differentiating circuit with R=5 kΩ and C=4 μF,, The maximum output voltage is

1.  0.2 volts

2.  2.0 volts

3.  10.0 volts

4.  50.0 volts

View Answer  
4
Correct Answer :

2.0 volts


Explanation :
No Explanation available for this question

Current l(t), through a 10Ω resistor in series with an inductance is given by i(t)=3+4 sin(100t+450)+ 4 sin(300t+600)A RMS value of the current and power dissipated in the circuit respectively are

1.  √41 A, 410 W

2.  √35 A,350 W

3.  5 A,250 W

4.  11 A, 1210 W

View Answer  
4
Correct Answer :

5 A,250 W


Explanation :
No Explanation available for this question

A ramp voltage v(t) = 100 volts, is applied to an RC differentiating circuit with R=5 kΩ and C=4 μF,, The maximum output voltage is

1.   0.2 volts

2.  2.0 volts

3.  10.0 volts

4.  50.0 volts

View Answer  
4
Correct Answer :

2.0 volts


Explanation :
No Explanation available for this question
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