It takes 4 minutes to boil a quantity of water electrically. How long will it take to boil same quantity of water using the same heating coil but with the current doubled? (neglecting any external heat loss).

Similar Questions

In a compound microscope, the objective and the eye piece focal lengths are ...

The equation PxVyTz = constant...

 Water waves have a wavelength of 3.6cm and speed of 18cms\(^{-1 }\) in deep water. If the wave...

Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magne...

Three non-parallel coplanar forces which can be represented both in magnitude and direction by the t...

A body whose initial velocity is u is uniformly accelerated to a final velocity v in t seconds. If t...

If the refractive index of crown glass is 1.51, its critical angle is?...

In a compound microscope ...

A body is under action of a force F such that the force displacement graph of the body is semi circu...

Which of the following is NOT a Fundamental S.I unit? ...