Options:
A.
B.
C.
D.
E.
Sign in to view the correct answer and detailed explanation.
Study with fewer interruptions on Android
Use Ulearngo on a verified device for smoother past-question study.
Ulearngo is an independent study app. It is not affiliated with, endorsed by, or representing Joint Admissions and Matriculation Board (JAMB). Always confirm official exam, admission, registration, syllabus, timetable, and result information from JAMB official website.
Earlier discussion
1 older comment kept for context.
Ameerah abimbola
Jamb 1979: in the circus below the cell P has an e.m.f 1.5v and an unknown internal resistance of r while the cell Q has an e.m.f of 2.0v and an internal resistance of 1ohms if d ammeter reads 50mA, then r equals?