Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208

Physics Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
21

A galvanometer with a full-scale deflection of 20 mA is Converted to read 8 K by connecting a 395 \(\Omega\) resistor in series with it. Determine the internal resistance of the galvanometer

  • A. 2.5\(\Omega\)
  • B. 5.0\(\Omega\)
  • C. 8.0\(\Omega\)
  • D. 10.0\(\Omega\)
View Answer & Discuss WAEC 2022
22

One major reason why electrical appliances in homes are normally earthed is that the-----------

  • A. person touching the appliance is safe from electric shock
  • B. appliances are maintained at a higher p.d. than the earth
  • C. appliances are maintained at a lower p.d. than the earth
  • D. appliances are maintained at the same p.d. with that of the earth
View Answer & Discuss WAEC 2022
23

Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?

  • A. formation of hydrogen bubbles on the electrode
  • B. increase in the resistance of the cell
  • C. local action
  • D. polarization
View Answer & Discuss (2) JAMB 2022
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
24

A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. The lost voltage of the cell is?

  • A. 4.00 V
  • B. 2.20 V
  • C. 0.15 V
  • D. 8.00 V
View Answer & Discuss JAMB 2022
25

Which of the following liquid is a poor conductor of electricity?

  • A. Distilled water
  • B. Tap water
  • C. Sea water
  • D. Drinking water
View Answer & Discuss (5) JAMB 2022
Start a Free Practice Test
 
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709