To find the frequency of ac mains using electric vibrator
Answers
Explanation:
A sonometer is used to determine the frequency of alternating current. A step down transformer is used for the determination of frequency of A.C. because the voltage of the A.C. mains is 220V, which is dangerous. The step down transformer reduces this voltage to 6 volts.
To find the frequency of A.C. mains, an ac sonometer is used.
Explanation:
An A.C. sonometer is a device which is used to determine the frequency of an Alternating current.
In sonometer, there is a metallic wire (do not possess magnetic characteristics) which is tightened from both end. A shoe horse magnet is used which is places so that it's magnetic field is perpendicular to the direction of current in wire.
When current passes, according to Faraday's law, the motion occurs and in the form of oscillations. The no. of oscillation per unit time shows the frequency of the A.C. current.