Water cannot be used to extinguish fire caused by electric current because
1). it may cause electrocution
2). it may cause hydrolysis
3). it may cause electrolysis
4). it may spoil the wiring
1. Which of the following have the same unit ?
2. A transformer works on the principle of
3. In general, which is the cause of a land breeze?
4. It is dangerous to observe Solar eclipse with naked eyes because
5. Slip rings are usually made of
7. On the Kelvin scale, the melting point of ice is
8. A spring is an example of which of these
9. With rise of boiling point of water the latent heat of steam:
10. An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is