Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNN
  4. /
  5. Physics
  6. /
  7. 2005/2006 DAY 1
  8. /
  9. Q11
Question 11

A transformer has a primary coil with 500 turns and a secondary with 2500 turns. When the voltage input to the primary is 120V, the output is

  • A.6000V
  • B.600V
  • C.240V
  • D.60V
Objective

Question details

Exam body
UNN
Subject
Physics
Year
2005/2006 DAY 1
Question no.
#11
Type
Objective
Previous · Q10The fundamental frequency of vibration of a sonometer wire may be halved by Next · Q12 The principle of operation of an induction coil is based on

More from this paper

  • Q7If two parallel wires carry currents flowing in the same direction, the…
  • Q8From the generating station to each sub-station power is transmitted at a very…
  • Q9Two tuning forks of frequencies 256Hz and 260Hz are sounded close to each other…
  • Q134g of radioactive material of half-life 10days is spilled on a laboratory floor…
  • Q14Which of the following statements correctly describe(s) cathode rays? I. They…
  • Q15Which of the following is most strongly deflected by a magnetic field?
See all Physics 2005/2006 DAY 1 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