The frequency of power supply used in India is ___ Hz.
The power supply for domestic use has a frequency of 50 Hz in India. It means the direction of the current changes 50 times in one second.
The frequency of power supply used in India is _____ Hz.
The standard frequency of electric power supply in India is ___ Hz.
A tuning fork of frequency 480 Hz is used to vibrate a sonometer wire having natural frequency 410 Hz. The wire will vibrate with a frequency,