Because opamp having high input impedance due to differential amplifier connected at the input side which is in the range of MEGA ohms and low output impedance due to power amplifier used at the output stage of opamp.
Basically saying as opamp having high input impedance and low output impedance opamp shape shown by triangle.
What problem arise if we use regulators without/before filters?
Fermi level for an intrinsic semiconductor lies midway between the valence and conduction bands, because.a) the temperature does not influence its position.b) the effective mass of hole is greater than that of electronc) the effective mass of electron is taken equal to that of holed) none of the aboveWhich is the right option?
What is the difference between LEDs and PN junction diode?
What is negative frequency?
If the input J is connected through K input of J-K flip-flop,the flip-flop will behave as a1. D(Delay) type flip-flop2. T-type flip-flop3. Toggle Switch4. 2 or 3 above
Explain why we are using the bridge rectifier in most of the circuits instead of full wave rectifier even though the output of both are same?
Tell me how many mosfet switches are there in dynamic ram?
Which one of the following is used for high speed power application?a) BJTb) MOSFETc) IGBTd) TRIAC
Explain why regeneration is not possible in semiconductor
What is the effect of increase resistance on reluctance?
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