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Question 0

Electricity is supplied to a school along a cable of total resistance 0.5\(\Omega\) with the maximum current drawn from the mains as 100A. The maximum energy dissipated as heat for 1 hr is

  • A.3.6 x 103J
  • B.5.0 x 103J
  • C.3.0 x 105J
  • D.1.8 x 107J
  • E.
Objective

Question details

Exam body
JAMB
Subject
Physics
Year
1998
Question no.
#0
Type
Objective
Previous · Q0The iron core of an induction coil is made from bundles of wire so as to Next · Q0 A transformer which can produce 8V from a 240v a.c. supply, has an efficiency of…

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