What is the frequency of vibration if the balance wheel o...
What is the frequency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?
0.01 Hz
0.04 Hz
2.27 Hz
3.60 Hz
Correct answer is D
Frequency = (No. of revolutions)/ Time = (90)/25 = 3.6 Hz
Calculate the effective resistance between P and Q in the diagram above ...
Which of the following is the dimension of pressure? ...
Calculate the amount of heat generated in an external load of resistance 8Ω if an alternating ...
In the diagram given, the current passing through the 6Ω resistor is 1.5A. Calculate the te...
Which of the following is/are not affected by a magnetic field? I. Neutrons II. Cathode rays III....
A drop of petrol makes a finger colder than a drop of water would because? ...