What are the functions of brushes in a DC Machine?
What type of material is used to make the armature core?
What are the materials used to make a commutator?
How to make a DC motor faster?
What materials are used to make LEDs?
How to reduce hysteresis loss in DC machine?
State at least one function and the material used for the following parts of a DC motor.
How is the DC machine connected to work as a Generator?
How to make current to zero in a circuit?
What material is used to coat wires?
Which material is used to reduce eddy current loss?
Which material is used to reduce hysteresis loss?
How to make AC current flow in one direction?
What are brushes in a motor?
Do alternators make AC or DC?
Which principle is used in a washing machine?
What is the function of commutator in a DC machine?
Explain what are inter-poles and why they are required 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.
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 is a brush in a DC Machine?
What is the function of field winding in a DC Machine?
What is the function of a brush in the DC Machine?
What are the two windings in a DC Machine?
What is the difference between a motor and a generator in DC machine?
How to make a zero conditional?
How to make a half wave rectifier?
How is the eddy current loss minimized in DC machine?
Make use of load factor and maximum demand tariff to minimize electrical consumption of electrical installation.
What is the material used in MCB?
State any two applications of gaseous insulating material used in switchgears.
List any four applications of insulating material used in electrical fields.
What material is used in transmission lines?
What is the working principle of a DC machine?
Explain yoke of a DC Machine.
Derive the emf equation of a DC Machine.
What are the parts of a 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....
State functions of the following parts of d.c motor: (i) Pole shoe (ii) Commutator (iii) Brushes (iv) Yoke.
What is the main purpose of the commutator and brushes?
What is the theory of DC machine?
What is the principle of DC machine?
How to reduce eddy current loss in the core of magnetic material?
State the material used for making (1) Magnetic Core (2) Fuse element.
Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.
Draw the symbol and characteristic of LDR. Give the material used for it.
State any four properties of conductor material used for overhead conductor.
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