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Physics-

General

Easy

Question

What is the ratio of heat generated in R and 2R

2 : 1
1 : 2
4 : 1
1 : 4

The correct answer is: 2 : 1

Both R and 2R in parallel ( V – constant)
So using $P equals fraction numerator V to the power of 2 end exponent over denominator R end fraction$ Þ $fraction numerator P subscript 1 end subscript over denominator P subscript 2 end subscript end fraction equals fraction numerator R subscript 2 end subscript over denominator R subscript 1 end subscript end fraction$ Þ $fraction numerator H subscript 1 end subscript over denominator H subscript 2 end subscript end fraction equals fraction numerator R subscript 2 end subscript over denominator R subscript 1 end subscript end fraction equals fraction numerator 2 over denominator 1 end fraction$

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out of -7 and 8 . whose absolute value is greator:

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parallel

: A shopkeeper buys am article for Rs 360 and sells it for Rs 270. Find his gain or loss percent;

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parallel

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Aman had 798.36 Rs. He bought a shirt for rs. 400.50 and a tshirt of Rs 278.14 . find the remaining amount.

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parallel

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parallel

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