Science MCQ Question
विज्ञान ऑनलाइन मॉक टेस्ट
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#1. Which instrument is used to measure electric voltage?
Explanation: A voltmeter measures the potential difference (voltage) between two points.
#2. What is the main constituent of biogas?
Explanation: Methane (CH₄) is the primary component of biogas, used as a fuel.
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