UP polytechnic Lecturer (EE) Paper-1 Quiz 42

Match List-I with List-II

Match List-I with List-II

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

An overcurrent relay having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/1. The pick up value is

A parallel-plate capacitor has plates of dimensions 2 cm by 3 cm, separated by a 1 mm thickness of paper with relative permittivity 3.7. Permittivity of free space, Find the capacitance.

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 charging reactance of 50 km length of the line is 1500 Ω. What will be the charging reactance for 100 km length of the line?

A factory draws 100 kW at 0.8 p.f. lagging from a 3-phase, 11 kV supply. It is desired to raise the p.f. to unity using capacitor bank. The total power rating of the capacitor bank is

Kick fuses are used across relay coils to prevent relay operation during

A semiconductor device made out of a material having very high temperature coefficient of resistance is:-