Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. OAU
  4. /
  5. Physics
  6. /
  7. 2021/2022
  8. /
  9. Q4
Question 4

An ammeter has an internal resistance of 10&ohms; and a dull sale deflection of 100mA. What value of resistance will be required to make the ammeter measure 800mA?

  • A.1.43Ω
  • B.1.00Ω
  • C.0.43Ω
  • D.2.43Ω
Objective

Question details

Exam body
OAU
Subject
Physics
Year
2021/2022
Question no.
#4
Type
Objective
Previous · Q3an object of 50kg is released from height of 2m. find the kinetic energy just… Next · Q5 Which of the following has the highest surface tension.

More from this paper

  • Q1The probability of an event P is 3/4 while that of another event Q is 1/6. If…
  • Q2Which of the following is not a characteristic of the image formed in a Plant…
  • Q6A truck travelling with a velocity of 40m/s applies the brakes and comes to a…
  • Q7A light energy E falls on a metal and the electrons with a maximum kinetic…
  • Q8A ball is thrown up into the air. At the highest point of its trajectory the…
See all Physics 2021/2022 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