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Define each of following terms of operational amplifiers i) Slew rate ii) Input offset voltage iii) Voltage gain iv) Input capacitance

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i) Slew rate:- Maximum rate of change of o/p voltage per unit of time. It is express in volt/µsec. 

ii) Input offset voltage:- The voltage that must be applied between two i/p terminal of an op-amp to learn the o/p. 

iii) Voltage gain:- Voltage gain is the ratio of o/p voltage to i/p voltage.

iv) Input capacitance:- This is equivalent capacitance that can be measured at either be inverting or non-inverting terminal with other terminal connected to ground.

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