Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. FUNAAB
  4. /
  5. Physics
  6. /
  7. 2019/2020
  8. /
  9. Q29
Question 29

The power dissipated in an A.C circuit with an r.m.s current of 5A, r.m.s voltage of 10V and a phase angle of 60° is

  • A.25W
  • B.50W
  • C.120W
  • D.125W
Objective

Question details

Exam body
FUNAAB
Subject
Physics
Year
2019/2020
Question no.
#29
Type
Objective
Previous · Q28Which of the following relationship between superficial and cubical… Next · Q30 A wire of length 15m made of a material of resistivity 1.8 × 10 -6 ohm-m…

More from this paper

  • Q25In electrolysis experiments, a cathode of mass 5g is found to weigh 5.01g after…
  • Q26A copper wire 20m long is heated from 20°C to 70°C. If the linear…
  • Q27Which of the following colours of surfaces will radiate heat energy best?
  • Q31A bat emits sound at a speed of 1650m/s and receives the echoes 0.15s later…
  • Q32A thin converging lens has a power of 4.0 dioptres. Determine its focal length
  • Q33An optical pin is placed 10.0cm from the pole of a convex mirror of focal length…
See all Physics 2019/2020 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