electric grid losses

Domestic Electric Circuit - Electric power is usually generated at places which are far from the places where it is consumed. Distribution of Electricity from Grid The power is transmitted over long distances at high voltage to minimize the loss of ..

Edward bought an electric rice cooker for $67.72. He sold it at a resale value of $14.56. Find the loss. => $54.39 or $53.16 or $54.62 or $51.90..

Electric power is usually generated at places which are far away from the places where it is consumed. At the generating station, the electric power is generated at 11,000 volts. This voltage alternates at a frequency of 50 Hz. The power is transmitted over long distances at h..

Solar cell is a very thin sandwich of n-type and p-type wafer thin semiconductors of silicon. A U-shaped metal grid is embedded into the thin semiconductor chip as shown in the fig. The lower end of the sandwich is fixed to a metal base which has a metal lead. The grid has a l..

Practical Applications of Joule's Heating - This heating is inevitable in any electrical circuit. Since the energy lost by the flowing charges ends up as disorderly thermal motion, the phrase 'ohmic dissipation' is also used to describe it. Often, this is an undesirable effect. For exampl..

>The amount of heat generated in a conductor of resistance 'R', when current 'I' flows through it in a given time 't', is given by I 2 Rt. Electric power is said to be one watt if a potential difference of one volt causes a current of one ampere to flow through a conductor. The magnetic f..

The transmission lines used in telephony are of two kinds: open- wire and cable. The open-wire lines are gradually being superseded by cable construction, either overhead or underground, for two principal reasons. In the first place, many more circuits can be accommodated-there is a standard cable ..

. A choke coil is basically a coil of high inductance L and a small resistance r connected in series. The Average power consumed over a complete cycle in a practical choke coil is P = E r m s I r m s cos..

Following are the characteristics of the electrolysis process: 1) Electrolytic reactions involve the gain of electrons at the cathode and loss of electrons at anode. 2) The cathode reaction is a reduction reaction as the cations accept electrons, while the anode reaction is an oxidatio..