Practice Non-inverting Amplifier (4.2.2) - Op-Amp Applications I - Amplifiers
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Non-Inverting Amplifier

Practice - Non-Inverting Amplifier

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main purpose of a non-inverting amplifier?

💡 Hint: Think about how the output relates to the input.

Question 2 Easy

What does R_f represent in the gain formula?

💡 Hint: Recall the role of feedback in amplifiers.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for the gain of a non-inverting amplifier?

A_v = \\frac{R_f}{R_{in}}
A_v = 1 + \\frac{R_f}{R_{in}}
A_v = \\frac{R_{in}}{R_f}

💡 Hint: Remember the significant contribution of both resistors in the formula.

Question 2

True or False: Non-inverting amplifiers invert the phase of their input signal.

True
False

💡 Hint: Consider how the amplifier's output relates to its input.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a non-inverting amplifier with R_f = 20 kΩ and R_{in} = 5 kΩ, calculate the gain. Explain your working.

💡 Hint: Substitute the resistor values into the gain formula.

Challenge 2 Hard

In a practical circuit, you notice a 1:1 gain in a non-inverting amplifier setup. Why might this be happening based on the resistor values?

💡 Hint: Consider what happens to the gain when resistors are set to extreme values.

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Reference links

Supplementary resources to enhance your learning experience.