एक छात्र अलग वोल्टेज पर बल्ब की चमक मापता है। स्वतंत्र चर क्या है?
A student measures bulb brightness at different voltages. What is the independent variable?
Explanation opens after your attempt
Correct Answer
A. वोल्टेजVoltage
Concept
Voltage is deliberately changed so it is the independent variable. In exams identify the changed electrical quantity.
Why this answer is correct
The correct answer is A. वोल्टेज / Voltage. Voltage is deliberately changed so it is the independent variable. In exams identify the changed electrical quantity.
Exam Tip
वोल्टेज जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदली गई विद्युत राशि पहचानें।
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