Which of the following effects of electric current is made use of in the figure shown below?
All of the above.
The correct option is B Heating The given picture is of an electric water heater also known as an immersion water heater. It contains a coil made of a material called Nichrome which turns red hot and emits heat as the electric current flows through it. This heat is then used to boil the water into which the heater is immersed partially. The principle involved here is the 'Heating effect of electric current'.