Sold By Abron Export Status In Stock Id-7211
Department All Practical Physics
Class XI Apparatus : Piezoelectric buzzer with inbuilt signal generator circuit, a volt battery, audio amplifier of any type with microphone input jack facility, condenser microphone, AC millivltmeter, a pipe of PVC or paper (in 5 cm diameter and 30 cm length, an empty badminton shuttle cock box can also be used), cotton, polyfill and wood in 250gm each
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