3B30.30 Bell in a Vacuum

3B30.30 Bell in a Vacuum

An electric bell in a jar makes a sound that decreases in intensity as the air is evacuated from the jar.

 

3B30.30 Bell in a Vacuum, Pump, Bell Jar and Power Supply

Location: Bell Jar O1-2; Pump: O1-5; Hose: O1-3; Power Supply:Q1-3