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A DC shunt motor rotating at 1560 RPM is supplied from a 240-V source. The line current supplied to the motor is equal to 27 A. The shunt field resistance of the motor is equal to 120 Ω and the armature resistance is equal to 0.6 Ω. Calculate the following:(a) The armature current of the machine.(b) The back-emf.(c) The output mechanical power and the net torque developed by the motor if its mechanical losses are equal to 280 W.
The conditions necessary for sustained oscillation can be summarized as follows: 1. There should be a positive feedback. 2. The loop gain of the circuit must be equal to or g
Q. Determine the transfer function C(s)/R(s) of the nested-loop feedback system shown in Figure.
The vectors we will use we be refered to right-handed Cartesian axes. Right handed means that the x,y,z axes are oriented in a particular way (which you must know). See diagrams
A DT LTI system has the following impulse response: h(n)=[cos(pi/+delta(n)] u(n-3)u(n-2) (a) Find the system’s frequency response h(e^jw ). (b) Sketch the magnitude and phase respo
INR (Increment ) Instruction This instruction is used to increment the contents of any register or memory location by one. There are two format.
Status Signals There are three status signals IO/M s and s 1 . All these signals are output signals. IO/ M - it is a status signals used to distinguish whether the
For zero flag RZ ( Return on Zero) and RNZ ( Return on no zero) Instructions RZ returns from the subroutine to the calling program, if zero flag is set (Z= 1). The
Q. Find the voltage gain of the overall circuit? (a) Consider the circuit of the inverting amplifier shown in Figure (a), including an ideal op amp. Show that the voltage gain
Find the rms voltage of the given cardiac wave
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.
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