Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 1993
  8. /
  9. Q37
Question 37

In a purely resistive a.c. circuit, the current I = Io sin wt and voltage, V = Vo sin wt. Calculate the instantaneous power dissipated in the circuit in time t.

  • A.Io Vo
  • B.2Io Vosin wt
  • C.(Io Vo)/2
  • D.Io Vo sin2wt
  • E.I2o V2o
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1993
Question no.
#37
Type
Objective
Previous · Q36The vector diagram shown below represents the resistance R, the capacitive… Next · Q38 A point charge of 1.0 x 10 -7 C experiences force of 0.01 N in a uniform…

More from this paper

  • Q33Calculate the escape velocity of a satellite launched from the earth’s surface…
  • Q34What is the gravitational potential due to a point mass m at a distance from it?…
  • Q35In a series R - C circuit, the resistance of the resistor is 4 Ω and capacitive…
  • Q39The potential difference between two points A and B situated at a distance d…
  • Q40Which of the following have the greatest penetrating power?
  • Q41A particle of charge 5C moves perpendicularly to a magnetic Held of magnitude…
See all Physics 1993 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