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A dc series motor is connected to a load. The torque varies as the square of the speed.With the diverter-circuit open, the motor takes 20 A and runs at 500 r/min. Determine the motor current and speed when the diverter-circuit resistance is made equal to the series-field resistance. Neglect saturation and the voltage drops across the series- field resistance aswell as the armature resistance.
multiplexer,
A coil of inductance 0.04 H and resistance 10? is connected to a 120 V, d.c. supply. Verify (a) The final value of current (b) The time constant of the circuit (c)
basic configuration of field effect transistors in mplifiers
Q. A 150-kVA, 2400/240-V, 60-Hz, single-phase transformer has the following parameters: R 1 = 0.2 , R 2 = 0.002 , X 1 = 0.45 , X 2 = 0.0045 , RC = 10 k, and Xm = 1.55 k,
details
Q. With the help of a npn transistor circuit and wave forms explain the working of an astable multivibrator In astable multivibrator both transistors are coupled to each other
Q. Some element voltages and currents are given in the network con?guration of Figure. Determine the remaining voltages and currents. Also calculate the power delivered to each ele
Write shorte note on Carbon. Carbon: The rate of commutator wear in electrical machines is greatly decreased by using brushes made of carbon. Carbon (C) is also used in autom
Q. Show Maximum Differential Input Voltage of amplifier? This is the maximum value of differential input voltage v p - v n that can be applied without damaging the op amp.
Draw a logic diagram to implement F=ABCDE using only 3 input AND gates
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