The student's doorbell is likely not as loud as a normal doorbell because its electromagnet may have a weaker magnetic field or insufficient current, resulting in less mechanical movement of the bell mechanism.
Once the student understands electromagnetism, they decide to take apart their doorbell to see if they can figure out why it’s so quiet. Figure 2 below shows their doorbell’s electromagnet on the left and of a normal (loud) doorbell’s electromagnet on the right.
In one sentence, why do you think the student's doorbell is not as loud as a normal doorbell?
1 answer