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amplifier MCQ Questions for Class 9

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Practice Questions

1 questions tagged with amplifier.

स्पीकर में प्रवर्धक का मुख्य कार्य क्या है?

What is the main function of an amplifier in a speaker system?

Explanation opens after your attempt
Correct Answer

D. ध्वनि संकेत की शक्ति बढ़ाकर स्पीकर चलानाIncrease the power of the audio signal to drive the speaker

Step 1

Concept

An amplifier strengthens a weak audio signal so it can drive the speaker. Understand it as part of the audio output chain.

Step 2

Why this answer is correct

The correct answer is D. ध्वनि संकेत की शक्ति बढ़ाकर स्पीकर चलाना / Increase the power of the audio signal to drive the speaker. An amplifier strengthens a weak audio signal so it can drive the speaker. Understand it as part of the audio output chain.

Step 3

Exam Tip

प्रवर्धक कमजोर ध्वनि संकेत को स्पीकर चलाने योग्य बनाता है। इसे ध्वनि आउटपुट श्रृंखला का भाग समझें।

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