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The input voltage applied to a cascaded amplifier (consisting of two amplifiers) is 0.02 V and the output voltage is 6 V. The voltage gain of one of the two amplifiers is 10. What is the voltage gain of the other amplifier?​

  • a)
    1/30

  • b)
    30

  • c)
    3

  • d)
    1/3

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The input voltage applied to a cascaded amplifier (consisting of two a...
**Given Information:**
- Input voltage (Vin) = 0.02 V
- Output voltage (Vout) = 6 V
- Voltage gain of one amplifier (A1) = 10

**Calculating the Voltage Gain of the Cascaded Amplifier:**

1. The voltage gain of a cascaded amplifier is the product of the voltage gains of the individual amplifiers.

2. Let's assume the voltage gain of the other amplifier (A2) is 'x'.

3. The voltage gain of the cascaded amplifier (A_cascade) can be calculated as follows:

A_cascade = A1 * A2

A_cascade = 10 * x

4. We can calculate the voltage gain of the cascaded amplifier by using the input and output voltages:

A_cascade = Vout / Vin

A_cascade = 6 / 0.02

A_cascade = 300

5. Now we can equate the two expressions for the voltage gain of the cascaded amplifier:

10 * x = 300

6. Solving for 'x', we get:

x = 300 / 10

x = 30

**Conclusion:**
The voltage gain of the other amplifier (A2) is 30. Therefore, the correct answer is option 'B'.
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The input voltage applied to a cascaded amplifier (consisting of two amplifiers) is 0.02 V and the output voltage is 6 V. The voltage gain of one of the two amplifiers is 10. What is the voltage gain of the other amplifier?a)1/30b)30c)3d)1/3Correct answer is option 'B'. Can you explain this answer?
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