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Question

A Class XII student performs experiment in his lab. He connects a voltmeter (not ideal) and an ammeter and an unknown resistance R in a circuit as shown in the figure. If the reading of voltmeter and ammeter are 40 V and 5 A respectively then the value of R will be

कक्षा XII का एक विद्यार्थी अपनी प्रयोगशाला में प्रयोग सम्पन्न करता है। वह एक वोल्टमीटर (आदर्श नहीं) व एक अमीटर तथा एक अज्ञात प्रतिरोध R को परिपथ में चित्रानुसार संयोजित करता है। यदि वोल्टमीटर व अमीटर के पाठ्यांक क्रमशः 40 V व 5 A हैं, तब R का मान होगा


A
8 Ω
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B
Less than 8 Ω

8 Ω से कम
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C
Greater than 8 Ω

8 Ω से अधिक
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D
Can have any value

कोई भी मान हो सकता है
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