Derive the emf equation of a transformer.
Derive the EMF equation of Alternator. State the meaning of each term used therein.
Derive the torque equation of a transformer.
How to derive a wave equation?
Derive equation for string efficiency with 3 - disc insulators of suspension type.
Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.
What is the de Broglie hypothesis and derive its equation?
How to derive potential divider equation?
What is the function of commutator in a DC machine?
Explain the process of commutation in a dc machine.
Explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.
What is the working principle of a DC machine?
What are the functions of brushes in a DC Machine?
What is the function of field winding in a DC Machine?
Explain yoke of a DC Machine.
What is the function of a brush in the DC Machine?
What are the parts of a DC Machine?
Explain what are inter-poles and why they are required in a dc machine.
How we Minimise the losses in a DC machine?
What is hysteresis loss in a DC machine? Answer : Hysteresis loss in a DC machine refers to the energy loss that occurs due to the magnetic properties of the core material used in the machine, such as the armature core. In a DC machine, the core ... with eddy current loss) in a DC machine and contributes to the total energy loss in the system....
What does hysteresis loss in a DC machine least depend on?
What material is used to make brushes in a DC Machine?
What is a brush in a DC Machine?
How is the DC machine connected to work as a Generator?
What are the two windings in a DC Machine?
What is the difference between a motor and a generator in DC machine?
Is a transformer AC or DC machine? Answer : A transformer is an **AC (Alternating Current) machine**. This is because transformers work on the principle of **electromagnetic induction**, which only happens with alternating current. ... coil after the initial moment of current flow. Therefore, transformers only function properly with AC....
What is the theory of DC machine?
What is the principle of DC machine?
How is the eddy current loss minimized in DC machine?
How to reduce hysteresis loss in DC machine?
Write down the EMF equation of a single-phase transformer.
Write down the EMF equation of a transformer.
What is the emf equation of transformer?
Write the EMF equation of an alternator.
What is Z in EMF equation?
Derive the expression for maximum efficiency of a transformer.
Derive the expression of current of a capacitor.
Derive the expression of power for a resistor.
Derive the condition for maximum torque under running condition of a 3 phase induction motor.
What is the derive of Helmholtz theorem?
What is the state and derive of Gauss law in electrostatics?
What is the state and derive of Gauss's law?
What is the derive impedance of the LR circuit?
Derive the expression of line current in terms of phase voltage in delta connection.
Derive the expression of line voltage in terms of phase voltage in star connection.
Derive the expression for the current of an inductor.
How to derive Lenz's law?
How do you derive current in an RL circuit?
What is the Brewster angle and derive an expression for it?
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