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What is meant by pinch off voltage in MOSFET?

Recent questions tagged controlled

2 answers 8 views

How are nuclear reactors controlled? Explain two different methods in brief.

asked Sep 8, 2018 by Shimroz123
1 answer 38 views

The speed of a three-phase induction motor is controlled by variable voltage variable frequency control (i.e. keeping V/f constant). As the frequency is reduced, the slip at maximum torque  (1) Decreases (2) Increases (3) Remains constant (4) None of the above

asked May 1, 2018 in Electrical Machine by Shimroz123
1 answer 26 views

A current controlled voltage source is equivalent to :  (A) series voltage feed -back amplifier (B) shunt current feed -back amplifier (C) shunt voltage feed -back amplifier (D) series current feed -back amplifier

asked Apr 30, 2018 in Electrical Engineering by Shimroz123
1 answer 41 views

A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is

asked Apr 29, 2018 in Power Electronics by Shimroz123
1 answer 25 views

When the firing angle a of a single-phase, fully controlled rectifier feeding constant direct current into a load is 30°, the displacement power factor of the rectifier is

asked Apr 29, 2018 in Power Electronics by Shimroz123
1 answer 24 views

A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V

asked Apr 28, 2018 in Power Electronics by Shimroz123
1 answer 36 views

In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals

asked Apr 28, 2018 in High voltage engineering by Shimroz123
1 answer 151 views

For a 15-bus power system with 3 voltage controlled buses, the size of Jacobian matrix is

asked Apr 27, 2018 in Switchgear And Protection by Shimroz123
0 answers 22 views

How many servos can be controlled by Arduino?

asked Mar 15, 2018 in Arduino by Zeeshan
1 answer 35 views
1 answer 112 views
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