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Find the line currents in the unbalanced three-phase circuit of Fig. 12.26 and the real power absorbed by the load.
Determine the height d of cable AB so that the force in cables AD and AC is one-half as great as the force in cable AB. What is the force in each cable for this case. The flower pot has a mass of 50 kg.
As far as a direct compaison of mechanical switches vs. transistors used as switches, the transistor does have a measurable impedance when ON, and a mechanical switch does not.
The system phase margin frequency is given as ω1 =1.7 radsec-1 and the required phase angle is 50°. Obtain the respective values of the PID controller.
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 12mA. The zener has an incremental resistance r(z) = 30 ohms and a knee current of 0.5mA. The regulator operates from a 10-V supply and has a 1.2k-ohm load.
Build a circuit to compute the parity of an 8-bit number using NAND gates only. The parity is defined as 1 if and only if there are an odd number of 1's in the 8-bit number.
Working with wired rifle microphones and radio microphones, The theatre's concerns when changing of wired rifle microphones to a radio microphone system are
The energy band gap of germanium is 0.72 eV at 300 K. the fraction of the total number of electrons ( conduction and valence band ) in the conduction band at 300 K
A ‘c-core' inductor has a total air-gap length of 3 mm and a cross-sectional area of 100 cm2. Two coils are wound on the core - one of 500-turns and another of 250-turns. Assuming the iron reluctance, fringing flux and leakage flux to be negligibl..
A rod on the surface of Jupiter's moon Callisto has a volume of 0.3 cubic meters. Determine the weight of the rod in units of pounds-force. The desnity is 4,700 kilograms per cubic meter. Gravitational acceleration on Calisto is 1.25 meters per se..
A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm.
The proportion of bottles that actually have such a flaw is only 0.0002, If a bottle has a flaw, the probability is 0.995 that is will fail the inspection. If a bottle does not have a flaw,the probability is 0.99 that it will pass the inspection.
A phasor current of (1 phase angle 0 degrees)A is flowing through the series combination of 1 ohm, 1H, and 1F. At what frequency is the amplitude of the voltage across the network twice the amplitude of the voltage across the resistor
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