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An ideal transformer has a 150-turn primary and 750-turn secondary. The primary is connected to a 240-V, 50-Hz source. The secondary winding supplies a load of 4 A at a lagging power factor (pf ) of 0.8. Determine
(a) the a-ratio,
(b) the current in the primary,
(c) the power supplied to the load, and
(d) the flux in the core.
If the row and columns lie within the rectangle, the memory should return white pixel values; otherwise, it should return black pixel values.
Embedded Systems Design- You have been hired as a consulting engineer to develop various embedded systems. For these consulting contracts, bids were requested for the design and development of embedded systems as well as the generation of all doc..
Give a different equation, in terms of the input and output, to describe the system. Is the system stable?
The car has no crumple zone, but a harness attached to the car seat stops it uniformly within a distance of 0.30 m. According to the Gadd severity index, will the child sustain serious injury or death?
how long will it take the motor to spin the wheel up to 100 rpm?
In actual electronic work, capacitances range from 30 picofarads, to 60 microfarads, to 5 farads. Assuming that each of these capacitances is charged to five volts, find for each a) the stored charge in coulombs
An 40-kW induction motor, with a lagging power factor of 0.76, is supplied by a 120-V rms 60-Hz sinusoidal voltage source. Find the capacitance needed in parallel with the motor to raise the power factor to:
A 230V shunt motor having an armature resistance of 0.05 and a field resistance of 75 draws a line current of 7 A while running light at 1120 rev/min. The line current at a given load is 46 A.
Compare the vane based anemometer and the hot air anemometer. Which one would you choose to measure the air flow through a narrow pipe?
how many decimal numberes can be represented by 10-bits. what is the largest unsigned decimal number that can be represented by 10-bits.
A right triangle is to have area 18 square inches. What should the lengths of the legs be, if the length of the hypotenuse is to be as small as possible?
The signal to noise ratio at the receiver is required to be at least 17 dB. The average noise power at the receiver is 1 mW. The cable loss between the transmitter and the receiver is 2.5 dB/km
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