Evaluating Circuit 1: Transistors and Capacitors | Mini-Assignment Guide

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In summary, the conversation revolved around a mini-assignment where the participants were asked to build a circuit using transistors and capacitors and analyze the differences when a variable is changed. The chosen circuit proved to be challenging to calculate theoretically due to the combination of branches. The only equation involved was Ohm's Law, but the participants were unable to apply it successfully. Despite trying their best, they were unable to find a way to approach the circuit and obtain all the different values. They also requested any help that could be provided. The circuit in question appeared to be a multivibrator, but there was no means to start the oscillations. The participants were advised to look for an astable multivibrator in their textbook.
  • #1
moogoescow
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1. For a mini-assignment at school, we were asked to find a circuit using transistors and capacitors and build it, then analyse the differences when a variable is changed. The circuit me and my partner chose is as follows:
Circuit.jpg

We got our experimental values, but had a lot problems calculating them theoretically, because the branches combine and such, so we weren't really sure how to approach it.
2. The only equation involved would probably be Ohm's Law. It seems pretty basic, but we just can't seem to get it.
3. As I stated above, we tried all we could but we just couldn't find a way to approach it as to get all of the different values.

Any and all help is appreciated.
 
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  • #2
moogoescow said:
1. For a mini-assignment at school, we were asked to find a circuit using transistors and capacitors and build it, then analyse the differences when a variable is changed. The circuit me and my partner chose is as follows:
Circuit.jpg

We got our experimental values, but had a lot problems calculating them theoretically, because the branches combine and such, so we weren't really sure how to approach it.



2. The only equation involved would probably be Ohm's Law. It seems pretty basic, but we just can't seem to get it.



3. As I stated above, we tried all we could but we just couldn't find a way to approach it as to get all of the different values.

Any and all help is appreciated.

Where is this circuit from? It looks like it's trying to be a multivibrator, but there is no means for starting the oscillation. What were your experimental results? Did you have an extra mechanism like a switch (not shown) to start up the oscillations?
 
  • #3
Look for astable multivibrator in your tesxtbook.
 

FAQ: Evaluating Circuit 1: Transistors and Capacitors | Mini-Assignment Guide

How do I evaluate a circuit?

To evaluate a circuit, you need to follow a few steps. First, you need to identify all the components in the circuit and their values. Then, you can use Ohm's law to calculate the voltage, current, and resistance at different points in the circuit. Finally, you can use Kirchhoff's laws to analyze the circuit and determine the overall behavior.

What tools do I need to evaluate a circuit?

To evaluate a circuit, you will need a multimeter to measure voltage, current, and resistance. You may also need a circuit simulator software to help you visualize the circuit and analyze its behavior. Additionally, having a basic understanding of circuit theory and laws is essential.

How do I troubleshoot a circuit?

To troubleshoot a circuit, you need to first identify the problem. This could be a component that is not working properly or a faulty connection. Then, you can use a multimeter to measure the voltage and current at different points in the circuit to locate the issue. Once identified, you can replace the faulty component or fix the connection to resolve the problem.

What are some common mistakes when evaluating a circuit?

Some common mistakes when evaluating a circuit include incorrect component values, incorrect circuit connections, and not considering all the relevant laws and principles. It is essential to double-check all the values and connections before analyzing the circuit and to have a thorough understanding of circuit theory.

Can I evaluate a circuit without any prior knowledge or experience?

It is not recommended to evaluate a circuit without any prior knowledge or experience. Understanding circuit theory and having experience with circuit analysis is essential for accurate evaluation. It is also crucial to have the necessary tools and equipment and to exercise caution and safety measures when working with circuits.

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