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Class 10 Physics (India)

Course: Class 10 Physics (India) > Unit 3

Lesson 7: Electric power and heating effect of current
Science
Class 10 Physics (India)
Electricity
Electric power and heating effect of current
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Calculating heat dissipated in circuits

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Problem

A resistor dissipates 1500, space, start text, J, end text of heat in five minutes when a 0, point, 20, space, start text, A, end text current flows through it.
What is the resistance, R?
Note: Use S.I. units to get the answer in Ohms (\Omega).
R, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
\Omega
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