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Chapter 11: Problem 25

A particular optical coupler has a current transfer ratio of 30 percent. If the input current is \(100 \mathrm{~mA}\), what is the output current?

Short Answer

Expert verified
The output current of the optical coupler with a current transfer ratio of 30% and an input current of \(100 \mathrm{~mA}\) is \(30 \mathrm{~mA}\).

Step by step solution

01

Convert the current transfer ratio to a decimal value

The current transfer ratio (CTR) is given as 30%. To use this in our calculation, we need to convert it to a decimal value. To do this, we simply divide the percentage value by 100. CTR in decimal = \(\frac{30}{100} = 0.3\)
02

Use the formula to calculate the output current

Now that we have the CTR in decimal form, we can use the formula to find the output current. Output Current = Input Current x CTR
03

Plug in the given values and calculate the output current

We know the input current is 100 mA, and we have calculated the CTR to be 0.3. Now, substituting these values into our formula: Output Current = \(100 \mathrm{~mA} \times 0.3\) Output Current = \(30 \mathrm{~mA}\) So, the output current of the optical coupler is 30 mA.

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