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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

Google Classroom

Problem

A resistor dissipates 1500 J of heat in five minutes when a 0.20 A current flows through it.
What is the resistance, R?
Note: Use S.I. units to get the answer in Ohms (Ω).
R=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
Ω