Determine the value of resistance, Electrical Engineering

Assignment Help:

Determine the value of Resistance:

Determine the value of R, so that the condition for resonance is fulfilled

1248_Determine the value of Resistance.png

Figure

Solution

Admittance of first branch

Y1 = 1/ R - 5 j = R - 5 j/ R2 + 25 mho

Admittance of second branch

Y2 = 1 / (4 - 3 j) = ((4 + 3 j)/25) mho

Total admittance of the circuit:

Y = Y1 + Y2 =   (R - 5 j / R2 + 25) + ((4 + 3 j)/25)

According to condition of resonance the imaginary part of the admittance must be zero i.e.

- 5/ (R2 + 25) + (3/25) = 0

     5/ (R2 + 25) = 3/25

⇒      R = 4.082 Ω


Related Discussions:- Determine the value of resistance

Draw a 100 line exchange, Q. Draw a 100 line exchange using two motion sele...

Q. Draw a 100 line exchange using two motion selectors and elucidate, how switching takes place in it. Ans: In a 100 line exchange, every subscriber is assigned a 2 digit

Electro Chemistry, Construction and working of calomel electrode

Construction and working of calomel electrode

Dsp, what is circular convolution

what is circular convolution

Working principle of a d.c. generator, Q.  Explain the working principle o...

Q.  Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po

What are the modes used in display modes, What are the modes used in displa...

What are the modes used in display modes? 1. Left Entry mode In the left entry mode, the data is going into from the left side of the display unit. 2. Right Entry Mode

Draw frequency response curve, Q. Sketch An Rc Coupled Two Stage Amplifier....

Q. Sketch An Rc Coupled Two Stage Amplifier. Draw Its Frequency Response Curve And Account For Its Stages. The figure above shows a two stage RC coupled amplifier. The sig

Find the turns ratio, Q A60-Hz, 100-kVA, 2400/240-V(rms) transformer is use...

Q A60-Hz, 100-kVA, 2400/240-V(rms) transformer is used as a step-down transformer from a transmission line to a distribution system. Consider the transformer to be ideal. (a) Fi

Calculate the voltage across the capacitor, In the circuit above, V1 is a d...

In the circuit above, V1 is a dc supply which outputs 12V, R1 has a value of 100 Ω and C1 is 100µF. The switch has been left in the position shown for a long time such that there i

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd