UP polytechnic Lecturer (EE) Paper-1 Quiz 47

In a synchronous motor, damper winding is provided to

Reduction in supply voltage by 10% will change the torque of an induction motor by

Horizontal axis and vertical axis are the types of

An inductor at t = 0⁺ with zero initial conditions acts as

A network has 10 nodes and 17 branches. The number of independent mesh equations required to solve the network is

Line charge is given by which of the following:-

A 100  ammeter has an internal resistance of 100. For extending its range to measure 500 , the shunt resistance required is:-

Determine V_Q from the circuit shown.

The value of k at which the root locus crosses the imaginary axis, makes the system:-

If the magnetic field  find the current density  if fields are invariant with time :