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Q. A dc series motor, with a design constant Ka = 40 and flux per pole of 46.15 mWb, operates at 200 V while taking a current of 325 A. The total series-field and armature-circuit resistances are 25 and 50 m, respectively. The core loss is 220 W; friction and windage loss is 40W. Determine:
(a) The electromagnetic torque developed.(b) The motor speed.(c) The mechanical power output.(d) The motor efficiency.
(a) Consider the following transmission line with the reactance X1 placed across the input. It is being driven with a frequency ω such that the length of the line is λ/4. What v
Explain the properties of low resistivity materials. Low resistivity materials: The conducting materials containing resistivity from 10 -8 to 10 -6 ohm-m come under this cl
For carry flag CC ( Call on Carry ) and CNC ( Call on No Carry ) Instructions CC Calls the subroutine form the specified memory location if carry flag is set (CY=
Explain the Sequential Circuits? The Logic circuits whose outputs, at any instant of time, depends not merely the present input but as well the past output called sequential ci
Critical Rate of Rise of Current The maximum rate of increase of current during on state which the SCR can tolerate is called the critical rate of rise of current f
Induction motors are often braked rapidly by a technique known as plugging, which is the reversal of the phase sequence of the voltage supplying the motor. Assume that a motor with
Determine the current through each parallel branch of the system
Q. Show the schematic arrangement for: (a) one- dimensional addressing, and (b) two-dimensional addressing, if a 32-kbit ROM is used to provide an 8-bit output word.
Jump Instruction There are two types of jump instruction unconditional jump conditional jumps
how to implement monostable delay in matlab simulink environment? [email protected]
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