PH-17
Circuit components
Physics · Secondary 3 · Medium · Circuit components
A 6 V battery is connected in series with an LDR and a buzzer. The buzzer sounds loudly when the LDR is in bright light. What happens to the loudness of the buzzer when the LDR is suddenly covered so it is in darkness?
- It becomes much louder.
- It becomes quieter but still sounds.
- Its loudness stays the same.
- It switches off completely.
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