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Each of the two wattmeters connected to measure the inputs to a 3-phase induction motor reads 10 kw.
if the power factor of the motor be changed to 0.866 lagging.
Determine the reading of the two wattmeters, the total power remaining unchanged.
Sketch a Bode plot for the frequency response of a High-pass R-C filter where R=470ohms and C=0.047uF. Draw the circuit, calculate the actual cutoff frequency, and calculate the dB level at one-half the critical frequency and twice the critical fr..
a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
Considering a three phase delta connected synchronous machine, the terminal line-line voltage is 1 p.u, the stator leakage inductance is 0.2 p.u, ignore the stator winding resistance, the rotor wind current is adjusted by a dc voltage source with ..
a series cct comprises of l159mh and r10ohm and a variable c connected to 5mv sinusoidal supply f1mhz.what value of
Consider this follower to be driven by the output of a differential amplifier of gain 100 whose positive-input terminal is connected to the input signal source vs and whose negative-input terminal is connected to the emitters of the follower.
The 300-kg block is acted upon by a force P, pulling it as shown. P makes an angle of 36o with the horizontal. If the coefficient of sliding friction between the block and the floor is 0.35, determine the force required to start moving the block.
Calculate the volume of aluminium conductor required for the line when - single phase, 2-wire system is used, - 3-phase, 3-wire system is used.
What is an interrupt service routine What benefit does the ISR have over standard polling code Discuss challenges experienced in developing the dual interrupt software code.
Suppose that a dc machine is designed such that the voltage applied to the field VF is equal to the voltage VT applied to the armature. In a well-designed machine, which current, IF or IA, is larger under full-load operating conditions? Why? What ..
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED
Devise a circuit for a simple burglar alarm that activates a siren if either a motion sensor detects motion or a sensor on a window detects that the window is open.
Indicate what data type you would use for the following variables: (a) the temperature (b) the number of days in a week (c) the number of days in a year (d) the number of months in a year
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