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Explain the significance of virtual ground in an operational amplifier?
Ans: Significance of Virtual Ground: Fig. (a) illustrates the circuit diagram of basic Inverting Amplifier. In this figure, the non-inverting terminal is grounded and input signal is applied to inverting terminal via resistor R1. However, difference input voltage is ideally zero: that is, voltage at the inverting terminal (v2) is approximately equal to that at non-inverting terminal (v1). Or we can say, inverting terminal voltage v2 is approximately at ground potential. Hence, inverting terminal is said to be at Virtual Ground. This notion is extremely useful in analysis of closed loop Op-amp circuits.
Illustrates some way to by which ultrasonic waves propagated? Detection of Ultrasonic Waves: Ultrasonic waves propagated by a medium can be detected within a number of ways.
Screw gauge works on the rule of screw. It has a linear scale called as the main scale, and another scale called as the circular scale. The circular scale can be moved by a head sc
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what is the methods of dealing with cultural uncertainty is the least successful?
a pendulum is timed ,first for 20 swings and then for 50 swings ; time for 20 swings = 17.4 sec and time for 50 sec = 43.2. calculate the average time per swing/
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why it is called gate
The method by which the identity of a nucleus is changed when it is bombarded by an energetic particle is known as nuclear function. The general relation for the nuclear reaction i
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