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A 20 h.p. , 3 phase, 400 volt, 60 hertz, 4 pole induction motor delivers full load at 5% slip. The mechanical rotational losses are 400W. Calculate
(a) The electromagnetic torque,
(b) The shaft torque, and
(c) Rotor copper losses.
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DESIGN A WIEN OSCILLATOR THAT OSCILLATE AT 25KHZ
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