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Question 1

An electric kettle with negligible heat capacity is rated at 2000W, if 2.0Kg of water is put in it, how long will take temperature of water to rise from 20° to 100°? [specific heat capacity of water = 4200JKg9.6ms-1K-1]

  • A.336s
  • B.240s
  • C.168s
  • D.84s.
Objective

Question details

Exam body
UNIPORT
Subject
Physics
Year
2019/2020
Question no.
#1
Type
Objective
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