Question

1/ MCB is used in circuits for ........ protection
2/ on the road where should we walk on .............
3/ an electric cell convert electrical energy into............

Answer 1

1 ) The MCB on the circuit cuts power, thereby preventing a case of overheating and possibly, fire in the cable and terminals.

2)It is always recommended to use the sidewalks (footpath) because you are safely separated from the automobiles. Where there is no sidewalk, you should walk facing the oncoming traffic. This means, In countries with left hand traffic system (like India), you should walk on the right side of the road.

3)/An electric cell converts electrical energy into chemical energy.