Question

A common household device that uses an electromagnet in its working is---

(a) the electric bell

(b) a room heater

(c) a geyser

( d) the tube light

which is correct answer write correct answer​

Answer 1

i think it's option (a) !!!!!!!!!

Answer 2

Answer:

(a) electric bell yes this is the right answer but it always need 20 letters?