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consider the circuit shown in figurea which elements are in seriesb which elements are in parallelc apply ohm s and
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we are designing an electric space heater to operate from 120v two heating elements with resistances r1 and r2 are to
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crown glass has a refractive index of 151 in the visible spectral region calculate the reflectivity of the air-glass
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germanium used for transistors has a resistivity of 2omegamiddotcm and an electron hole concentration of 19 times 1015
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a power transistor operating at an ambient temperature of 50degc and an average emitter current of 3 a dissipates 20 w
a particular transistor has a power rating at 25degc of 10 w and a maximum junction temperature of 150degc what is its
a particular transistor having a thermal resistance thetaja 25degcw is operating at an ambient temperature of 30degc