Which of the following wave is electromagnetic?
...Which of the following wave is electromagnetic?
x-rays
sound waves
water waves
tidal waves
Correct answer is A
No explanation has been provided for this answer.
In a series R-L-C circuit at resonance, impedance is---- ...
Which of the following machines does NOT apply the lever principle?...
The energy of a photo having a wavelength of 10-10m is (h= 6.63 x 10 -34Js, c =3.0 x 10 8ms-1)...
An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament ...
One should not connect a number of electrical appliances to the same power socket because ...