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Q. A dc series motor operates at 750 r/min with a line current of 100 A from the 250-V mains. Its armature-circuit resistance is 0.15 and itsseries-field resistance is 0.1 . Assuming that the flux corresponding to a current of 25 A is 40% of that corresponding to a current of 100 A,determine the motor speed at a line current of 25 A at 250V.
Risers: Riser Design : A riser or a feeder head is a passage of sand made in the cope to permit the molten metal to rise above the highest point in the casting after the mou
diagram of static generators
Consider the circuit of Figure for t> 0 with zero initial conditions, v Th (t) = 1 V (dc), and R Th = 2 ; L = 1 H. Determine the complete response for vC(t) for capacitance value
why BETA a current gain parameter of common emitter amplifier is temperature dependent?
The increase in the current is building up the magnetic field surrounding the coil. Energy is stored in that field. Consider the energy supplied by the voltage source during the
Introduction The purpose of this experiment is to examine the operation of the floating-point unit. Procedure 1. Show how the number 355.6 is converted into a normalize
Define Serial In - Parallel Out Shift Registers? For this type of register data bits are entered serially in the same manner as discussed in the last section and the difference
Explain Memory Mapped I/O Scheme. Memory Mapped I/O Scheme: In this scheme there is only one address space. Address space is explained as all possible addresses which microproc
Athree-phase, 440-V, 60-Hz, four-pole induction motor operates at a slip of 0.025 at full load, with its rotor circuit short-circuited. This motor is to be operated on a 50-Hz supp
Consider the basic MOSFET circuit shown in Figure with variable gate voltage. The MOSFET is given to have very large V A , V T = 4V,and I DSS = 8 mA. Determine i D and v DS for
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