In which of the following media does sound travel faster?...
In which of the following media does sound travel faster?
water
brass
air
wood
Correct answer is B
No explanation has been provided for this answer.
A 0 - 10mA galvanometer with a coil resistance of 30Ω can be converted to a 0 - 10A ammeter...
Particles of mass 10−2kg is fixed to the tip of a fan blade which rotates with angular veloci...
Under which of the following conditions is workdone ...
A 40W instrument has a resistance 90 Ohms. On what voltage should it be operated normally ...