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 |
Explain what is the rectilinear propagation of light?
Which lens is used for correcting long ?sightedness ?
a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?
Physicists most commonly call a mass moving in a straight line path as having:
What is Potassium Hydroxide ?
The gravitational force between two blocks is F what would happen if a mass of both the blocks as well as distance between them is doubled?
What should a drummer do to make the sound of lower pitch?
Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?
How is A.C. converted into D.C ?
Why us the height of mercury column unaffected by the difference in the value of gravity at the same place?
What is Electromagnet?
Explain the Radiation ?