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Electronics and Communication Analog Electronics Difficulty: Medium

'I'n' 'a' 'C'B' 'a'm'p'l'i'f'i'e'r' 't'h'e' 'm'a'x'i'm'u'm' 'e'f'f'i'c'i'e'n'c'y' 'c'o'u'l'd' 'b'e'

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Which one of the following relations holds good for the tachometer shown in the given figure? The earth area covered by a satellite radio beam. A composite R-C network yielded the following transfer function when calculated from its components: $$T\left( s \right) = \frac{{C\left( s \right)}}{{R\left( s \right)}} = \frac{{1 + 21s + 20{s^2}}}{{1 + 11s + 10{s^2}}}$$ This network can be used as which one of the following? Threshold voltage is negative for . . . . . . . . In the following circuit, switch K is thrown from position A to position B at time t = 0, the currenthaving previously reached its steady state: The current i(t) after switching will be