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What is the impedance Z between terminals A and B of the networks shown below? Express your answers in polar form.
Three voltages represented by v1(t)=100cosωt, v2(t)=70cos(ωt-400) and v3(t)=60sinωt act together in the same circuit. What is the sum of these 3 voltages? Express your answer as a time-domain voltage.
A voltage v(t) = 200cos1000t is applied to a circuit, resulting in a current of i(t) = 10cos(1000t+ π/6). Determine the resistance and reactance of the circuit, the average power dissipated and the power factor.
Explain hall affect and derive the mathematical expression for hall coefficient, also describe its applications. Sol. Hall effect If a metal or semiconductor material carr
how to write kvl equation in series clipper circuit without any battery
Q. The self-inductances of two coupled coils are L 11 and L 22 , and the mutual inductance between them is M. Show that the effective inductance of the two coils in series is give
why is delay line used in vertical deflection on systems of CRO?
Find the resistance of 800 m of copper cable of cross-sectional area 20 mm . Take the resistivity of copper as 0.02 Ωm.
explain working
Q. Describe an integrator circuit ? A circuit in which output voltage is directly proportional to the integral of the input is known as an integrating circuit. An integrating c
find current across r3 with two voltage as sources
Q. Let v(t) = V max cos ωt be applied to (a) a pure resistor, (b) a pure capacitor (with zero initial capacitor voltage, and (c) a pure inductor (with zero initial inductor curren
Q. Amicrowave relay systemuses two identical horn antennas mounted on towers spaced 40 km apart. If f c = 6 GHz, and each relay hop has L = 60 dB, calculate the antenna aperture a
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