1.  0.75 mS

2.  1 mS

3.  2 mS

4.  10 mS

4
Correct Answer :

1 mS


Explanation :
No Explanation available for this question

1.  +5

2.  -7.5

3.  +10

4.  -10

4
Correct Answer :

-10


Explanation :
No Explanation available for this question

1.  A finite signal is always bounded

2.  A bounded signal always possesses finite energy

3.  A bounded signal is always zero outside the interval [- t0, t0] for some t0

4.  A bounded signal is always finite

4
Correct Answer :

A bounded signal always possesses finite energy


Explanation :
No Explanation available for this question

1.  x(t)=-x (t-T)

2.  x(t)=x(T-t)=-x(-t)

3.  x(t)=x(T-t)=-x (t-T/2)

4.  x(t)=x(t-T)=x(t-T/2)

4
Correct Answer :

x(t)=x(t-T)=x(t-T/2)


Explanation :
No Explanation available for this question

1.  √2 0V,(1 + 2j)

2.  2 45° V,(1-2j) ?

3.  2 45° V, (1 + j) ?

4.  √2 45° V, (1 + j) ?

4
Correct Answer :

√2 45° V, (1 + j) ?


Explanation :
No Explanation available for this question

1.  Both are zero

2.  These are zero for static densities but non zero for time varying densities

3.  It is zero for the electric flux density

4.  It is zero for the magnetic flux density

4
Correct Answer :

It is zero for the magnetic flux density


Explanation :
No Explanation available for this question

1.  In an open circuit test,copper losses are obtained while in short circuit test,core losses are obtained

2.  In an open circuit test,current is drawn at high power factor

3.  In a short circuit test,current is drawn at zero power factor

4.  In an open circuit test,current is drawn at low power factor

4
Correct Answer :

Explanation :
No Explanation available for this question

1.  In an open circuit test,copper losses are obtained while in short circuit test core losses are obtained

2.  In an open circuit test,current is drawn at high power factor

3.  In a short circuit test,current is drawn at zero power factor

4.  In an open circuit test,current is drawn at low power factor

4
Correct Answer :

In an open circuit test,current is drawn at low power factor


Explanation :
No Explanation available for this question

1.  The capacitor is used for power factor improvement

2.  The direction of rotation can be changed by reversing the main winding terminals

3.  The direction of rotation cannot be changed

4.  The direction of rotation can be changed by interchanging the supply terminals

4
Correct Answer :

The direction of rotation can be changed by reversing the main winding terminals


Explanation :
No Explanation available for this question

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