Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 1996
  8. /
  9. Q52
Question 52

Calculate the amount of heat generated in an external load of resistance 89 if an alternating current of peak value 5A is passed through for 100s.

  • A.20,000J
  • B.10,000J
  • C.5,000J
  • D.4,000J
  • E.200J
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#52
Type
Objective
Previous · Q51The electric potential at point P in the diagram above can be expressed as Next · Q53 ln the diagram above, the resistor has a resistance 8 Ω while the reactances of…

More from this paper

  • Q48A cell of e.m.f. 1.5V is connected in series with a resistor of resistance 39. A…
  • Q49Soft iron is used in making the armature of an electric bell because it
  • Q50The diagram above illustrates an isolated metal sphere carrying charge W in a…
  • Q54The resistance in a series R-C circuit is 5 Ω. If the impedance of the circuit…
  • Q55What is the decay constant of a radioactive element whose half-life is 3 seconds
  • Q56Which of the following substances is most viscous at room temperature?
See all Physics 1996 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy