power losses

This disease is characterised by bleeding gums, loosening of teeth, muscular and joint pain, along with general weakness, fatigue, loss of weight and poor healing power..

Maximum EMF E 0 = NBA w = 20 x 3 x 10 - 2 x 3.14 x (8 x 10 - 2 ) 2 x 50 volt = 0.6 volt Average EMF for one cycle is zero. Maximum current, Power loss The source of this power is the external agent (motor) which helps the coil rotating against the torque of ..

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 energy during transm..

. 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..

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 example, in elec..

. Raising the gain of the amplifier by an equivalent amount, which turns out to be 6 db in power, compensates for this loss..

where W 1 is the input power and W 2 the output power. If W W 2 exceeds W 1 , the value is positive and is spoken of as again. When W 1 exceeds W 2 the expression will be negative and indicates a loss. The decibel is also used as a measure of the amount of power..

. So, the signal power progressively decreases with increasing distance. The receiver operates on the output signal from the channel in preparation for delivery to the transducer at the destination. Receiver operations include amplification to compensate for transmission loss. T..

Increased incidence of tumours, ulcers due to nitrate pollution. Increased incidence of skin disorders due to contact with pollutants. Increased incidence of constipation, diarrhea and infections to intestine. Dangerous effects on growing foetus in pregnant women. Concentration of pol..

>Following are some examples, which indicate how natural resources could be protected. i) Promotion and use of non-conventional sources of energy like solar energy. ii) Promotion and development of mint - hydro projects so that resources are better utilized. iii) All types of power saving..