Isobars are imaginary lines joining the places having equal values of pressure. For convenience all the pressure are converted to sea level. The spacing of isobars indicates the rate and direction of the pressure.
What is the element that is in the highest percentage in the composition of the earth ?
The total energy of a revolving electron in any orbit is the sum of its kinetic and potential energies. Energy of an electron at infinite distance from the nucleus is zero. As an electron approaches the nucleus, the electron attraction increases and the energy of electron decreases and thus becomes negative. Thus, it can never be positive.
Conduction band electrons have more mobility than holes because they
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