(b) Electric fan converts electrical energy into mechanical energy.
   (c) Battery converts chemical energy into electrical energy.
   (d) All the above
Ans: (d)
315. Which of the following pairs is not correct?
   (a) Television - Baird
   (b) Transistor ~ Shockley
   (c) Thermometer - Celsius
   (d) Barometer Torricelli
Ans: (c)
316. Which of the following is wrongly matched?
   (a) electric current - ampere
   (b) resistance - Ohm
   (c) electric power - volt
   (d) electric charge Coulomb
Ans: (c)
317. In an electrical circuit, a fuse is connected
   (a) in the live wire
   (b) in the neutral wire
   (c) in the earth wire
   (d) anywhere
Ans: (a)
318. Match the following:
   List - 1                 List - 2
   (Instrument)             (Used to measure)
   A. Galvanometer          1. the power of an electric current
   B. Voltmeter             2. the potential difference between two points
   C. Watt-meter            3. the electric current
   D. Ammeter               4. to detect small electric current