R₁ P R3
Sinusoids And Phasors
Sinusoids are defined as the mathematical waveforms that are used to describe the nature of periodic oscillations.
Circuit Theory
Electric circuits are a network that comprises of a closed-loop, which helps in providing a return path for the current through a switch. When the switch is activated, the load operates, and the current accepts a path to finish the circuit at a low potential level from the opposing high potential level. Electric circuits theory is a linear analysis that helps in establishing a linear relation of voltage and current for R (resistance), L (inductance), and C (capacitance).
For the Wheatstone bridge network shown in Figure.
a) Evaluate the Wheatstone Bridge network and Calculate the output voltage, if R1= 80 Ω, R2= 120Ω,and R3=480Ωand R4=160
b) Resistances in the branches of Wheatstone’s bridge are R1=30Ω, R2=60Ω, R3=15Ω and R4 is a series combination of X and 5Ω resistances. If the bridge is balanced then value of unknown resistance X is
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