Which of the following use/s an electric cell for working?
All of these
Operating a remote control
Operating a walkie-talkie
Lighting a torch
We can use electric cells for all of these purposes because we require electricity to use them.
Which of the two requires an electric cell for its working : a Quartz clock or a pendulum clock??
Which of the following represents the correct symbol for an electric cell?
An electric cell stops working when __________.