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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.
Q. What do you mean by FM Stereo? IT shows the block diagram of an FM stereo transmitter and an FM stereo receiver. The following notation is used: • f L (t), fR(t): Left a
Q The electric ?eld intensity due to a point charge in free space is given to be (-¯ ax -¯ ay +¯ az)/√ 12V/mat (0,0,1) and 6 ¯ az at (2,2,0) Determine the location and the value
Field effect transistor: Primarily difference between bit and jet is that bit transistor is a current controlled device while jet is a voltage controlled device. Is a direct
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Explain BIOS The IBM PC has in its ROM a collection of routines, each of which performs some particular function such as reading a character from keyboard, writing character to
analysis and detail working of bootstrap sweep circuit
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Calculation of Aggregate Technical and Commercial Loss The concept of AT&C loss was introduced within 2001-02. The AT&C losses are presently in the range of 18% to 62% in seve
Equivalent Circuit of a DC Machine A review of the material presented with regard to elementary direct-current machines can be helpful at this stage to recall the principles of
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