Question 1

An immersion heater rated 2.0 A, 240 V is used to boil water from temperature 52° C to 100° C. If the mass of the water is 2.5kg, determine the time taken to boil the water. [Specific heat capacity of water = 4.2 x 103 Jkg-1 K-1)

  • A.1.05 x 104s
  • B.1.05 x 105s
  • C.1.05 x 103s
  • D.1.05 x 102s
Objective

Question details

Exam body
UNIPORT
Subject
Physics
Year
2016/2017 Model 2
Question no.
#1
Type
Objective

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