Which effect of electric current is more prominent?? Heating effect or magnetic effect??
An MCB which cuts off the electricity supply in case of short-circuiting or overloading works on the :
(a) chemical effect of current
(b) heating effect of current
(c) magnetic effect of current (d) electroplating effect of current
Question 14
Name two electric devices for each where (i) heating effect of current is used and (ii) magnetic effect of current is used.