Q: Find the resistance of a heater coil at 25ºC if its resistance is 65 Ω at 75ºC, with 0.004/ºC of temperature coefficient. 25ºC पर हीटर कुंडली का प्रतिरोध ज्ञात कीजिए यदि 0.004/ºC ताप गुणांक के साथ 75ºC पर इसका प्रतिरोध 65Ω है।
A.
55 Ω
B.
45 Ω
C.
60 Ω
D.
50 Ω
Correct Answer:
Option A -
Explanations:
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