Which of the following devices is/are based on heating effect of electric current?
- (i) Incandescent lamp
- (ii) Electric geyser
- (iii) Electric generator
AAll
BNone of these
Ci, ii
Di only
Which of the following devices is/are based on heating effect of electric current?
AAll
BNone of these
Ci, ii
Di only
Related Questions:
A magnet, when moved near a coil, produces an induced current. Which of the following method(s) can be used to increase the magnitude of the induced current?