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Sonometer Experiment-Physics-Lab Mannual

Exercises, Physics

Post: July 17th, 2012
Description
This is lab manual for Physics course. It was designed by Sakash Jashith at Allahabad University. It includes: Frquency, Sonometer, Step-down, Transformer, Hanger, Weights, Wedges, Electromagnet, Vibrations, Transverse
This is lab manual for Physics course. It was designed by Sakash Jashith at Allahabad University. It includes: Frquency, Sonometer, Step-down, Transformer, Hanger, Weights, Wedges, Electromagnet, Vibrations, Transverse
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Contents
Experiment : Object: Apparatus: • • • • • • MELDE’S EXPERIMENT To determine frequency of A.C. mains using Sonometer. A sonometer with a steel wire. Electromagnet A step down transformer(220V to 6V or 12 V) Hanger with slotted weights of 500g each Meter Rod Two wedges Formula used: L (resourcefulphysics.org) M Sonometer Procedure: i. To perform this experiment usually a sonometer is used in which an electromagnet is fitted in the middle. ii. Connect one end of a steel wire of uniform diameter to peg and connect other end to hanger after passing it over two wedges and a frictionless pulley. iii. Put suitable slotted weights in hanger so that the wire may remain in tension without any bends or kinks. iv. Place one wedge on one side and the other wedge on other side of electromagnet at nearly equal distances from centre. Also put a small rider of paper on the wire above the electromagnet. v. Switch on circuit of electromagnet. vi. Adjust position of wedges by moving the..

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