HARD
10th CBSE
IMPORTANT
Earn 100
An electric toothbrush is charged by standing it on a separate charging base that is plugged into the mains electric supply.
The diagram shows the inside of the electric toothbrush and the charging base.
An alternating potential difference across the coil in the charging base creates an alternating current in the coil inside the toothbrush. Explain how.
Important Questions on Magnetic Effects of Electric Current
HARD
10th CBSE
IMPORTANT
An electric toothbrush is charged by standing it on a separate charging base that is plugged into the mains electric supply.
The diagram shows the inside of the electric toothbrush and the charging base.
An alternating potential difference across the coil in the charging base creates an alternating current in the coil inside the toothbrush. Explain how.
