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1. The magnetic flux density at a distance of 1.4 m from the centre of a current carrying conductor is 0.25 mT. Determine the value of the current.
2. A moving coil meter has a coil resistance of 25Ω, and requires a current of 0.25 mA to produce full-scale deflection. Determine the values of shunts required to extend its current reading range to
(a) 10 mA, and
(b) 1 A. Sketch the relevant circuit diagram.
Construct the model shown in Figure 1 using Matlab Simulink. Calculate the efficiency of the motor under the loading condition of Section 4
They want to know what types of sports-related marketing tactics are available to them. Without mentioning any specific sports or athletes, provide a list of the categories of sports marketing tactics that they could choose.
Calculate and draw the snubbing network for the SCR if it is used in a single phase of a 480 V with a single phase circuit load of 12 kW. Calculate components by the resonant method.
x[n]=cos(n*7pi/16)+cos(n*9*pi/16) a)Find the FS coefficients of x[n]. b)Obtain the DTFT of x[n] using the coefficients. c) Use Matlab, compute 25 seconds of the discrete-time signal x[n] using an appropiate sample period Ts.
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa..
Determine the spacing, relative amplitudes, and phase angles of current densities for an array of two infinite plane parallel current sheets required to obtain a radiation characteristic such that the field radiated to one side of the array is twi..
A 10 ohm resistor and 10 henry inductor are attached in series to a 10 volt DC supply. If the current i(0)=2.5 amperes, what is the current after 1 second
Find the inductance L in henries of the inductor of given figure. - Repeat part (a) if a ferromagnetic core is added having a µr of 2000.
design a pulse-mode (Asynchronous, no clock) automatic vending machine. The candy bars inside the machine cost 25 cents. The machine accepts nickels, dimes and quarters. There is an electromechanical system that accepts the coins sequentially.
The air-gap length g = 5.00 mm. Calculate the magnetic field intensity H (hint: use Ampere's law), the flux density B, and the flux per pole f. Use the correct SI unit for each quantity. The iron parts have a permeability that is about 4000 fo, so..
The circuit will have as inputs a minimum of two inputs; the binary equivalent of two decimal numbers of not greater than (10,000)10. The circuit will produce a minimum of two outputs, the quotient and the remainder.
How to Calculate/Find the Rating of Transformer in kVA (Single Phase and Three Phase?
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