Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UI
  4. /
  5. Physics
  6. /
  7. 2011/2012
  8. /
  9. Q22
Question 22

An electric heater converts 1KJ of electrical energy to heat energy every 2 second with 100% efficiency. The power produced is

  • A.0.5 KW
  • B.2 KW
  • C.1KW
  • D.10W
Objective

Question details

Exam body
UI
Subject
Physics
Year
2011/2012
Question no.
#22
Type
Objective
Previous · Q21An a.c voltage is connected to an RLC series circuit of resistance 5 0… Next · Q23 Complete the following statement: The electromotive force is

More from this paper

  • Q17A 0 - 10mA galvanometer with a coil resistance of 30 ohm can be converted to a 0…
  • Q18A battery has an internal resistance of 4 and an emf of 12V. The terminal…
  • Q19A conducting sphere has a net charge of -4.8 x 10 -17 C. What is the approximate…
  • Q20A magnet cannot be demagnetized by
  • Q24If a charged body is moving in a circle on a horizontal plane, what is the…
  • Q25If a resistor is halved in magnitude and the potential across it is tripled…
See all Physics 2011/2012 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