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Q. 131) SCR is uni-directional in nature.
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Q. 132) Which of the following device should be used as a switch in a low power switched mode power supply (SMPS)?
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Q. 133) Servo motors are an example of which type of load?
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Q. 134) Load torque of the crane is independent of _________
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Q. 135) The unit of angular velocity is rad/s .
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Q. 136) R.M.S value of the sinusoidal waveform V=V sin(ωt+α).
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Q. 137) Calculate the time period of the waveform x(t)=24sin(24πt+π÷4).
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Q. 138) The turn-o times of the devices in increasing order is ___________
I. MOSFET
II. BJT
III. IGBT
IV. Thyristor
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Q. 139) Which of the following devices should be used as a switch for high power and high voltage application?
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Q. 140) Calculate the useful power developed by a motor using the given data: P = 3000 W, I = 60 A, R = .4 Ω. Assume frictional losses are 200 W and windage losses are 400 W.
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