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An overhead transmission line conductor having a parabolic configuration weighs 1.925 kg/cm2 pa metre of the length .The area of X-section of the conductor is 2.2 cm2 and the ultimate strength is 8000kg/cm2. The supports are 600 m apart having 15 m difference of levels.
Calculate the sag from the taller of the two supports which must be allowed so that the factor of safety shall be 5.
Assume that ice load is 1 kg per metre run and there is no wind pressure.
The DC machine rotates at 1500 RPM and it delivers rated current at rated terminal voltage. The field winding is connected to a 120 V supply. Find the value of the field current and the value of R (field control resistance) required.
A coaxial cable contains material with a dielectric of 9. The diameter of the inner conductor is 2 mm and the diameter of the outer conductor is 12 mm. Determine the velocity of propagation in m/s.
Consider a circuit consisting of a voltage source in series with a 1-Henry inductor and a 0.25-Farad capacitor. Assume all initial conditions are 0. Compute and plot the capacitor voltage vc(t) for the following input signal at the voltage source.
Method of moments solution to scattering from a rough surface for a TM wave begins with the integral solution to the wave equation.
What is Light Emitting Elements and Their Types ? Please Explain every Element and type .
What is the net number of electrons per second that pass through the cross-section of a wire carrying 5 A of dc current The current now is due to electrons, and the magnitude of the charge of each electron is 1.60×10?19 C.
Find the current that flows in a silicon bar of 10-µm length having a 5-µm x 4-µm cross section and having free electron and hole densities of 105 / cm³ and 1015 / cm³, respectively, when a 1 V is applied end-to-end. Use µn = 1200 cm²/V·s and µp =..
a plane diving with constant speed at an angle of 53.0 degree with the vertical releases a projectile at an altitude of 730m.the projectile hits the ground 5 second after release(a)what is the speed of the plane
When fed from a signal source with a peak amplitude of 0.1v and a source resistance of 20k , the peak amplitude v(pi)is 5mv. specify Re and bias current Ic. The BJT has beta =100. If the total resistance in the collector is 5 k,
analyze case study - nibcos big bang an sap implementation discuss reasons behind nibcos decision to implement an erp
A single phase cyclo converter with mid point configuration is used for obtaining an output frequency of 1/3 times the input frequeny.Turns ratio from primary to upper seconday is 1/1 and to lower secondary is 1/2.
Explain the following terms. Draw neat diagrams if needed.
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