Underground Cable Classification, construction, and Insulation
This system of distribution is also adopted in crowded areas and road crossings. There are two main systems of Transmission and Distribution of Electric power.
Derive the expression for energy stored in a magnetic field.
The energy required to establish a magnetic field gets stored in it as potential energy. This energy can be recovered when the magnetic field established
Photoelectric cell and its Applications
A photoelectric cell is a device which converts light energy into electrical energy. It works on the principle of photoelectric effect. It consist of a
What is Engineering? What are the engineering studies?
What is Engineering Engineering is that the application of science and math to unravel problems. Engineers find out how things work and find practical uses
Why Would Anyone Learn Assembly language?
Why Would Anyone Learn Assembly language? Amazing! You’re actually reading this. That puts you into one among three categories: a student who is being forced
Proximity Effect and Skin Effect
Proximity Effect As seen above, the “skin effect”, we have considered the flux of the conductor only But there is another conductor line near to
How Electrical Accidents can be avoided?
1) The equipment installed should be used properly. 2) The instructions of sequence of operation shall be followed properly. 3) Machines shall never be mishandled
What is a FASTag? How can I buy a FASTag?
What is a FASTag? FASTag is an electronic toll collection system operated by the NHAI(National Highways Authority of India). A sticker is attached to the
What is a Zero Ohm Resistors?
https://youtu.be/gbVSKBmIOV0 इस पोस्ट को पढ़ने के बाद आप ये समझ जाओगे कि, Zero Ohm Resistor क्या है, और इसे हम क्यू
With reference to a magnetic circuit, explain the term with their units (1)Magnetic flux,
(2)Magnetic Flux density, (3)Magnetic field strength, (4)Reluctance, (5)Permeability of free space,
(6)Relative permeability, (7)Absolute permeability, (8)M.M.F, (9)Permeance?
1) Magnetic Flux: The total number of forces existing in a particular magnetic field is called magnetic flux. Lines of force can be called lines
Define the terms: a)Specific heat capacity, b)Sensible heat, c)Latent heat, d)Calorific value,
e)Specific enthalpy, f)Electrical work, g)Torque.
a) Specific heat capacity: The quantity of heat required to change the temperature of 1kilogram of substance through 1degree Kelvin is called specific heat of
Job oriented software’s for Electrical Engineer
Which are Job oriented software’s for Electrical Engineer? बोहुत सारे लोग industrial automation में अपना career बनाना चाहते हैं। या design engineer बनना चाहते हैं।
PARAMAGNETISM, DIAMAGNETISM, AND FERROMAGNETISM ON THE BASIS OF DOMAIN THEORY:
Magnetism has its origin in the circulating charges in an atom. An atom of any substance consists of a little, massive, charged nucleus Surrounded by
Expression For Energy Stored In A Magnetic Field.
The expression for energy stored in a magnetic field The energy required to establish a magnetic field gets stored in it as potential energy. This
Explain the phenomenon of self-induced e.m.f. and mutually induced e.m.f.
Self induced e.m.f. Fig. 1 Consider a coil having ‘N’ turns and carrying current ‘I’ when switch ‘S’ is in closed position. The current magnitude
Obtain an expression for the coefficient of coupling K for the magnetic circuits?
The coefficient of coupling between two coils is defined as the fraction of magnetic flux producedby the current in one coil that links with the
The phenomenon of statically induced e.m.f. and dynamically induced emf explained in detail
Statically induced e.m.f.: The induced e.m.f. in a coil which is without physical movement, by increasing and decreasing the current through coil producing the flux
Explained terms Resistance, Resistivity, Conductance & Conductivity. Also their formula & unit of measurement
i) Resistance: The property of an electric circuit opposing the flow of current & at the same time causes electrical energy to be converter to
Effect of rising in temperature on resistance of metal conductors, Insulators, Alloys, Semiconductors
State the factors on which resistance of conductor depends. What is the effect of increase in temp on the resistance of Cu conductor, Silicon, Nichrome.
Self Inductance Explained In Detail – Definition , Units , Expression and factors affecting
Definition Of Self Inductance : According to Lenz’s law the direction of the self induced e.m.f. is so as to oppose the cause producing it.
What is insulation resistance?
What is insulation resistance? Obtain an expression for insulation resistance of single core cable. What is the effect of temperature and moisture on the resistance