EC Engineering Networks Analysis and Synthesis Online Test

In a parallel resonant circuit, the circuit current at resonance is maximum.

An RLC series circuit is underdamped. To make it overdamped, the value of R

Henry is equivalent to

In a minimum function

For a transmission line open circuit and short circuit impedances are 20 Ω and 5 Ω. Then characteristic impedance is

The terms RMS and average values apply only to sine waves.

The drift velocity of electrons is

Wave A = 100 sin ωt and wave B = 100 cos ωt. Then

A capacitor stores 0.15C at 5 V. Its capacitance is

A 0.5 μF capacitor is connected across a 10 V battery. After a long time, the circuit current and voltage across capacitor will be

Which of the following pairs are correctly matched?
1.Brune’s realisation : realisation with ideal transformer.
2.Cauer realisation : ladder realisation.
3.Bott Duffin realisation : with non ideal transformer.
Select the answer using the following codes:

The synthesis of minimum function was suggested by

A 3 phase balanced supply feeds 3 phase unbalanced load. Power supplied to the load can be measured by using
1.2wattmeter
2.one wattmeter
3.3wattmeter
Which of the above statements is correct?

Which of the following is correct for a driving point functions?

In an RC series circuit R = 100 Ω and XC = 10 Ω. In this circuit

The impedance of an RC series circuit is 12 Ω at f= 50 Hz. At f= 200 Hz, the impedance will be

A current is flowing through a conductor with non-uniform area of cross-section. Then

The electrical energy required to heat a bucket of water to a certain temperature is 2 kWh. If heat losses, are 25%, the energy input is

The current rating of a cable depends on

In an ac circuit, the maximum and minimum values of power factor can be

A two branch parallel circuit has a 20 Ω resistance and 1 H inductance in one branch and a 100 μF capacitor in the second branch. It is fed from 100 V ac supply, at resonance, the input impedance of the circuit is

As compared to the number of network elements in Brune synthesis, the number of network elements Bott-and Duffin in realization is

A sinusoidal voltage has peak to peak value of 100 V. The rms value is

A dielectric does not have leakage current.

A series RLC circuit has a resonant frequency of 1000 Hz. The maximum voltage across C is likely to occur at a frequency of about

The resistance of a 230 V, 100 W lamp is

An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then

Two coils having self inductances of 10 mH and 40 mH are mutually coupled. The maximum possible mutual inductance is

A two branch parallel tuned circuit has a coil of resistance 100 Ω and inductance 0.005 H in one branch and 10 nF capacitor in the second branch. At resonance frequency is

A capacitor used for power factor correction is single phase circuit decreases