School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Search SchoolNGR
Search
Thursday, 02 April 2026
Register
.
Login
Your browser does not seems to have Javascript enabled. Please enable Javascript in order to use all the features of this website!
The main function of the mouth piece of a telephone is that it converts sound energy to
Classroom
Physics Classroom
Waec
Waec 2004
More Topics
The main function of the mouth piece of a telephone is that it converts sound energy to
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Mechanical energy
B
Electrical energy
C
Chemical energy
D
Thermal energy
Show Answer
Show Explanation
Correct Answer:
Option B
Explanation:
Prev
Current
Next
Share question on:
Facebook
X
WhatsApp
Study Subjects
Accounts - Principles of Accounts
Animal Husbandry
Aptitude Test
Agricultural Science
Arabic
Auto Mechanics
Basic Electronics
Biology
Bookkeeping
Block laying, bricklaying, and concreting work
Load More Subject
Stay Updated
Follow us on:
Facebook
X