UP polytechnic Lecturer (EE) Paper-1 Quiz 43

Match the following and choose correct option.

A current of 10 + 6 sin (ωt + 30) A is passed through two meters. They are a PMMC meter and a moving iron instrument. The respective reading (in A) will be:-

Which of the following transfer function does not have negative real part for s = jω for all ω ∈ [0, ∞)?

A balanced delta-connected load (20 + j16) ohm /phase is connected to a 3-phase 230 V balanced supply. The line current and the real power drawn respectively are ___________.

What will be the resistance across AB ?

The coil span of winding in an alternator is 150^o electrical. The pitch factor of the coil is

An electrostatic field is given by Find the work done in moving a point charge Q = - 20 μC from the origin to (4, 0, 0)m. are the unit vectors along x, y axes.

What is the total electric flux through the surface of a sphere that has a radius of 1 m and carries a charge of 1 μC at its centre? Coulomb constant is given by ∈₀ is the permittivity of free space.

The potential coil of an induction type energy meter must be highly_____.

An average-reading meter reads 20 V when fed with a triangular wave, symmetric about the time-axis. For the same input an rms-reading meter will read:-