What makes the telegraph wires hum?
Answers were Sorted based on User's Feedback
Answer / sunil meena
when any earth fault occur or the ac traction line passes near telegraph wire then hum produced in the telegraph wires.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sanju
The wind blowing against the wires sets them vibrating this
producing a humming sound.
| Is This Answer Correct ? | 0 Yes | 1 No |
Why in cold countries, the water at the surface freezes and in the inner portion it is in the sate of water ?
Explain what is density?
How many pounds does one gallon of water weigh?
The principle of action of points is used in ___________.
3 Answers TNPSC Tamil Nadu Public Service Commission,
When gravity is the only force acting on an object the object is in what?
How does the snake move over the ground ?
why is n-type conducter is neutral?
Why does a glass filled with water shatter when you run your finger along the rim of the glass?
Is exothermic reaction useful in Lasing process? give reasion of ur answere?
Why does the specific gravity of milk increase, when cream is removed from the milk ?
Explain application of optical fibers and sensors?
On breaking a magnet, how many poles will be got ?