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(a) Provide examples of intentional electromagnetic sources and examples of unintentional sources.
(b) Describe the process of the formation of lightning.
(c) Reduce each of the given signal transmission situations to a source, coupling path(s), and receptor:
(i) AM radio transmission to the human ear. (ii) TV transmission to the human eye. (iii) Radar target identification.
(d) What could be the impact of abnormal solar winds on the earth?
(e) Explain with the help of a pie chart the different portions of radiation and energy emanating from a nuclear explosion.
Q. An antenna has beam widths of 3° and 10° in orthogonal planes and has a radiation ef?ciency factor of 0.6. Find the maximum radiation inten- sity if 1 kW is applied to the anten
if contents of accumulator are all one''s then result would be zero so Z flag should be affected and same if all zero''s.....but here it is written that no flags is affected...
1. Introduction : Theory: The voltage measured across a load follows the Ohm's law which says that the current passing through a conductor between two points is direct
Quality Tools for Improvement The environment of the business of power sector has been modified recently largely because of partial deregulation of this sector. The required h
Q. Effect of feedback on stability? Let us consider the direct transfer function of the unstable first-order system of Figure (a). The transfer function is given by whe
Q. Consider a full-wave single-phase bridge recti?er circuit with dc motor load, as shown in Figure (a). Let the transformer turns ratio be unity. Let the load be such that the
Q. What is permeability of magnetic material? For magnetic material media, the magnetic flux density B, expressed in tesla (T) or Wb/m 2 , and the field intensity H, expressed
How many interrupts does 8085 have, mention them The 8085 has 5 interrupt signals; they are INTR, RST7.5, RST6.5, RST5.5 and TRAP
Standard Color-Coded Bands for Evaluating Resistance Practical resistors are manufactured in standard values, various resistance tolerances, several power ratings (as will be e
Q. Draw and explain a differential circuit A differentiator is a high pass RC circuit having a very small time constant. It is a circuit which gives an output voltage proportio
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