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A voltage source v(t) = 100 cos(2π50 t) [V] is applied to a nonlinear load, resulting in non-sinusoidal current: i(t) = 4 + 10 cos(2π50 t +30°) + 20 cos (4π50 t +45°) [A]. Determine:
(a) the power absorbed on the load,
(b) the power factor, and
(c) the total harmonic distortion of the load current.
A voltage follower of the op-amp parameters are Ao = 5x 10^5, Ro = 75ohm, and Ri = 2 Mohm. The input voltage is Vs = 5V and Rs = 10 kohm. Find the output voltage Vo,the input resistance Rin = Vs/is and the output resistance Rout.
Box 1 contains 1000 transistors, of which 100 are defective, and box 2 contains 2000 transistors, of which 100 are also defective. A box is taken at random and two transistors are drawn from it, at random and without replacement.
The potential difference between the plates is 5 V. Suppose the plate at x = 0 is at zero potential, the plate at x = 0.002 m is at 5 V. Find V(x) everywhere assuming there are no edge effects.
1. Set θd (t) = 0. Compute the transfer function h(t)/r(t) = T(s). 2. Set r(t) = 0. Compute the transfer function h(t)/θd(t) = Td(s)
Consider a zero-phase sine function, x(t), with frequency ?=1.3rad/sec. What is the minimum positive time shift needed to turn this function into a zero-phase cosine of the same frequency
The complex power of an electrical load is S = 1 + j VA. If the voltage across the loadis 10V RMS with a radian frequency f=1 rad/s, find the value of a single component to connect in parallel with the load so that the new load has a unity power f..
A gaseous mixture containing 50 mol% hydrogen and 50 mol% acetaldehyde (C2H4O) is initially contained in a rigid container at a total pressure of 760 mmHg absolute. The formation of ethanol occurs according to C2H4O + H2 C2H6O.
Vary as square root-application, The frequency f of vibration of a wire varies directly as the square root of the tension T of the wire
Discuss differential protection, modified differential protection and percentage differential protection of alternators. Draw the suitable connection diagrams for clear understanding.
Estimate the transition times and propagation delay for this inverter following the definition in Fig.1.35 of the Text and assuming that the switches operate instantaneously at ui = Kripa.
Boiling water has a temperature of 100°C. If you drop a 1N4001 into a pot of boiling water, will it be destroyed or not? Explain your answer.
The gas remaining inside the tank may be assumed to have undergone a polytropic expansion, with polytropic exponent n = 1.15. Find the final mass inside and the heat transferred to the tank during the process.
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