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heat developed in a metallic wire when constantvoltage is applied between its ends is double if: length is doubled radius is doubled length and radius are halved length and radius are doubled

heat developed in a metallic wire when constantvoltage is applied between its ends is double if:
length is doubled
radius is doubled
length and radius are halved
length and radius are doubled

Grade:12th pass

1 Answers

Dr.Adam Shaik
askIITians Faculty 387 Points
6 years ago
Ask the question in Physics forum,
But as per my knowledge the length and cross section are the resistant factors so heat develops based on the radius and legth of the wire.
Answer is 4 legth and radius doubled.

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