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Q. Consider the circuit shown in Figure. Determine the current in the diode by assuming:
(a) The diode is ideal.
(b) The diode is to be represented by the model of Figure 7.2.5(a) with Von = 0.6V,and
(c) The diode is to be represented by the model of Figure 7.2.5(b) with Von = 0.6 V and Rf = 20 .
Q. With suitable example differentiate between accuracy and precision. Sol. Accuracy : Accuracy is the closeness with which instrument reading approaches the true value of
The field resistance of a dc machine is 50 ohm at 20 o C. The resistance increases to 55 ohm at 50 o C. Find the temperature coefficient of the resistance material. Ans: Sol
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explain the Digital Storage Oscilloscope
Q. Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po
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Using Nyquist theorem, determine the sampling rate for an analog signal with frequencies from 3000Hz to 86000Hz and for a signal with ahorizontal line in th
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Ask question #how to construct thunderstrom detector with circuit breaker.
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