Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNN
  4. /
  5. Physics
  6. /
  7. 2018/2019 - Model 2
  8. /
  9. Q8
Question 8

When an a.c. voltage is applied to a capacitor, no power is consumed because the current

  • A.and voltage and 180° out of phase
  • B.and voltage are in phase
  • C.lags behind the voltage by 90°.
  • D.leads the voltage by 90°
Objective

Question details

Exam body
UNN
Subject
Physics
Year
2018/2019 - Model 2
Question no.
#8
Type
Objective
Previous · Q7The electrolyte in the Nickel-iron (Nife) accumulator is Next · Q9 An ammeter of resistance 50 has a full-scale deflection when a current of 50mA…

More from this paper

  • Q4A p-n junction diode is used as
  • Q5The battery connection that permits current to flow across a p-n junction is…
  • Q6The process through which free elections leave the surface of hot metals is…
  • Q10Which of the following factors does not affect the electric resistance of a…
  • Q11Which of the following phenomena supports the theory that waves have a particle…
  • Q12A body of mass Mkg rests on a plane inclined at an angle θ to the…
See all Physics 2018/2019 - Model 2 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