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To measure capacitance using a reed switch. Set-up of apparatus. Light beam galvanometer. Signal generator. Vibrating reed switch. Parallel-plate capacitor. Complete discharge of capacitance. Decay curve drops to zero in half cycle.
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Set-up of apparatus Light beam galvanometer Signal generator Vibrating reed switch Parallel-plate capacitor
Complete discharge of capacitance Decay curve drops to zero in half cycle. C. R. O. connected across resistor in series with light beam galvanometer.
Incomplete discharge of capacitance Decay curve cannot drop to zero in half cycle. C. R. O. connected across resistor in series with light beam galvanometer.