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.

PhysicsJAMB UTME2015

Options:

A.
B.
C.
D.
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.

Get Ulearngo on Google Play

Earlier discussion

2 older comments kept for context.

Favour Onwuchekwa

Efficiency of a Transformer = \( \frac{Power developed in the secondary coil}{Power supplied to the primary coil} × 100% \)

Oluwaseun Adeyemi

Efficiency of a transformer = (power developed in the secondary coil ÷ power supplied to the primary coil) × 100%