Physics · May / June 2020 · Paper 11 · Question 33
5054Magnetic effect of a current
There is varying current in the coil of the loudspeaker shown. The loudspeaker is producing a sound. The magnet is clamped. What is vibrating to produce the sound?
- Acoil only
- Bcone only
- Cmagnet only
- Dcoil and cone
As printed in the paper
Show the answer
Correct answer: D. coil and cone
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.