DMRC 2018 Electrical Engineering : Quiz 3

The y-parameters for the network shown in the figure can be represented by

When is the Ferranti effect on long overhead lines experienced?

The circuit shown in the figure below generates the function of

Which one of the following statements is not correct?

In a CRO as shown, under what circumstances will the current be flow in forward direction?

The magnetic induction (B) of a circular wire loop with radius R having current I on axis of loop at a distance q from center of loop will be:

For an n-type semiconductor having any doping level, which of the following holds good:
1)
2)
3)
4)
Select the correct answer using the code given below:

Consider the following statements:
1) Network theorems are not derivable from Kirchoff’s law
2) To get the Norton current, one has to short the current source
3) Thevenin’s theorem is suitable for a circuit involving voltage sources and series connections
Which of the above statements is/are correct?

In a coil of 2mH inductance, current changes from 0.2 A to 1.5 A in 0.2 s. Find the magnitude of average induced emf in the coil.