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Calculate the N.A of a step index fibre having n1=1.48 and n2=1.46. What is the maximum entrance angle ψmax for this fibre if the outer medium is air with n1=1.0? Given n1=1.48 n2=1.46We know that numerical aperture, Sinψ = (n12- n22)½= (1.482- 1.462)½ =0.2425 ψmax= sin-1(0.2425) = 14.03°
Q. What is a differentiator circuit? By introducing electrical reactance into the feedback loops of op-amp amplifier circuits, we can cause the output to respond to changes in
Define the term embedded system according to Wayne Wolf and Todd. According to Wayne Wolf: This is any device which includes a programmable computer but is not itself intend
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Masking As we know the MASJ is used to cover some part of our face which we want to hide and to show other part of the face which we want to show. Similarly the
Explain properties and application of Aluminium. Properties of Aluminium: 1) Pure aluminium in colour is silver white. 2) Aluminium is a ductile metal and can be put
Supercomputer The largest fastest and most powerful are called supercomputers. Supercomputers are mainly used for weather forecasting remote sensing image processing, biom
a. Determine the power flow diagram for a DC generator. b. A shunt wound DC generator delivers 496 A at 440 V to a load. The resistance of the shunt field coil is 110? and that
Q. Give a general account of common drain amplifier? The output is taken over the source terminal and when the dc supply is replaced by its short circuit equivalent, the drain
Explain Loads - Generation and Absorption of Reactive Power A load at 0.95 power factor implies a reactive power demand of 0.33 kVAr per kW of power. When planning a network, i
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