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Non Inverting Opamp & Inverting Opamp, Opamp 02 Video Lecture | Crash Course for IIT JAM Physics

FAQs on Non Inverting Opamp & Inverting Opamp, Opamp 02 Video Lecture - Crash Course for IIT JAM Physics

1. What is a non-inverting op-amp?
Ans. A non-inverting op-amp is a type of operational amplifier configuration where the input signal is applied to the non-inverting terminal of the op-amp. The output is then fed back to the inverting terminal through a resistor, which results in a positive gain. This configuration is commonly used for amplifying signals without inverting their phase.
2. What is an inverting op-amp?
Ans. An inverting op-amp is a type of operational amplifier configuration where the input signal is applied to the inverting terminal of the op-amp. The output is then fed back to the inverting terminal through a resistor, which results in an inverted output signal. This configuration is commonly used for amplifying signals with an inverted phase.
3. How does a non-inverting op-amp circuit work?
Ans. In a non-inverting op-amp circuit, the input signal is applied to the non-inverting terminal of the op-amp. The output voltage is then determined by the op-amp's open-loop gain and the feedback resistor connected between the output and the inverting terminal. The non-inverting op-amp circuit provides a positive gain and does not invert the phase of the input signal.
4. What are the advantages of using an inverting op-amp configuration?
Ans. The inverting op-amp configuration offers several advantages, including: - It provides a wide range of gain values by simply changing the feedback resistor. - The input impedance is high, which allows it to interface with low impedance sources. - It has good linearity and stability. - It can be used to implement various mathematical operations, such as summation, subtraction, and integration.
5. How can I calculate the gain of a non-inverting op-amp circuit?
Ans. The gain of a non-inverting op-amp circuit can be calculated using the formula: Gain = (1 + (Rf / Rin)), where Rf is the value of the feedback resistor and Rin is the value of the input resistor. This formula assumes that the open-loop gain of the op-amp is very large. By choosing appropriate resistor values, the desired gain can be achieved.

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