Electrical Machines Formulas

Thursday, 28 January 2021

Electrical calculations formulas
Electric Power Formula
[PDF] Electrical Machine Formula Sheet for GATE, ESE & PSUs
Electrical machines basic formulas pdf
Electrical calculations formulas pdf

Magnetic Field of a Straight Current Carrying Conductor What is Electrical Energy? Its Unit, Formula & Applications Electrical Energy, Its Unit, Formula and Equations. Unit, Definition and Applications of Electrical Energy. Electric Power and Electricity Why Does the Heating Element Glow but Not the Cord of Heater? Why Does the Heating Element Glow While the Cord of the Heater Doesn't? It is a matter of common experience when the element of the heater connects to the electric supply, It becomes hot and starts to Joule's Law - Joule Effect or Heating Effect of Current Joule's Law. Heating Effect of Current. Jouls Effect. Applications of Heating Effect of Current. Why does the element of the heater glow due to heat but not the heater's cord? Right Hand Grip/Thumb Rule, Corkscrew Rule & End/Clock Rule Right Hand Grip Rule or Right Hand Thumb Rule. Corkscrew Rule. The End Rule or Clock Face Rule. Fleming's Left & Right Hand Rules Coulomb's Laws of Magnetic Force - Formula & Solved Example Coulomb's 1st & 2nd Laws of Magnetic Force.

Electrical calculations formulas

Electric Power Formula

(B) lags behind the flux by 90 degree. (C) leads the flux by 90 degree. (D) is in phase opposition to that of flux. Q. 12 The relative speed between the magnetic fields of stator and rotor under steady state operation is zero for a (A) dc machine. (B) 3 phase induction machine. (C) synchronous machine. (D) single phase induction machine. Q. 13 The current from the stator of an alternator is taken out to the external load circuit through (A) slip rings. (B) commutator segments. (C) solid connections. (D) carbon brushes. Q. 14 A motor which can conveniently be operated at lagging as well as leading power factors is the (A) squirrel cage induction motor. (B) wound rotor induction motor (C) synchronous motor. (D) DC shunt motor. Q. 15 A hysteresis motor (A) is not a self-starting motor. (B) is a constant speed motor. (C) needs dc excitation. (D) can not be run in reverse speed. Q. 16 The most suitable servomotor for low power applications is (A) a dc series motor. (B) a dc shunt motor. (C) an ac two-phase induction motor.

[PDF] Electrical Machine Formula Sheet for GATE, ESE & PSUs

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Electrical machines basic formulas pdf

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Electrical calculations formulas pdf