Question

what amount of heat will be produced if r ampere current flows through 40 Ohm resistance for 2 minutes​

Answer 1

Explanation:

The heat generated is approximately equal to h=i^2*R*t

Here I= 5A

R=12 ohm

t= 60 sec

So h=25*12*60 =18000 joule =18 kJoule

MARK AS BRAINILIST

Answer 2

Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.Hope it helps you