Waec 2022 Physics Question 39

Practice objective / multiple choice question 39 from the 2022 Waec Physics examination.

Waec 2022 Physics Objective / Multiple Choice 2 Difficulty
Question 39 WAEC • 2022 • PHYSICS • objective

The following statements about a loudspeaker are correct except

Answer Options

Correct Answer A. it contains a permanent magnet.
B. sound signal converted to varying current signal enters the speech coil.
C. the current in the speech coil creates a magnetic force on the coil.
D. the magnetic force on the speech coil is uni-directional.
Correct Answer
A
Correct Option:
it contains a permanent magnet.

About This Question

This is Waec 2022 Physics Question 39. It is one of the objective questions from the 2022 Waec Physics examination.

Difficulty level: 2 .

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