Calculate the multiplier resistance

Thread starter Bolter
Start date Feb 14, 2020
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Resistance

In summary, the purpose of calculating the multiplier resistance is to determine the total resistance in a circuit, which is important for calculating current flow, voltage drop, and power dissipation. The multiplier resistance can be calculated by dividing the total resistance by the desired current, and is typically measured in ohms. It cannot be negative as resistance is always a positive value. The multiplier resistance has an inverse relationship with total current, meaning that as it increases, the total current decreases due to restricted current flow.

Feb 14, 2020

Bolter

Homework Statement: Find the multiplier resistance

Relevant Equations: Rm = V/i – Rc

Question:

My attempt:

So the resistance of the multiplier resistance comes out to be 19.25 ohms?

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Feb 14, 2020

BvU

Science Advisor

Homework Helper

Same as other three ...

1. What is a multiplier resistance?

A multiplier resistance is a type of resistor used in electronic circuits to increase the overall resistance of the circuit. It is typically used in conjunction with other resistors to achieve a desired resistance value.

2. How do you calculate the multiplier resistance?

The multiplier resistance is calculated by multiplying the value of the other resistor(s) in the circuit by a factor of the desired resistance. For example, if the other resistor has a value of 100 ohms and you want a total resistance of 500 ohms, the multiplier resistance would be 5 (500 ohms/100 ohms = 5).

3. What is the purpose of using a multiplier resistance?

The purpose of using a multiplier resistance is to achieve a specific resistance value in a circuit. This can be necessary for proper functioning of the circuit or to control the flow of current.

4. Can a multiplier resistance be used in any electronic circuit?

Yes, a multiplier resistance can be used in any electronic circuit as long as it is compatible with the other components and the desired resistance value can be achieved.

5. How do you choose the right multiplier resistance for a circuit?

To choose the right multiplier resistance, you need to know the resistance value of the other resistor(s) in the circuit and the desired total resistance. You can then calculate the multiplier resistance using the formula mentioned in the answer to question 2.