Question

Column I gives some devices and Column II gives some process on which the functioning of these devices depend. Match the devices in Column I with the processes in Column II and indicate your answer by darkening appropriate bubbles in the $4\times 4$ matrix given in the ORS?

Answer 1

(A) Bimetallic strip forms an are on thermal expansion.

(B) Steam engine - uses energy conversion to run

(C) Incandescent lamp - It heats up and then radiate ( radiation from a hot body. )

(D) Electric fuse - On excess voltage, the wire of electric fuse get heated and melt to break the circuit.

Hence, solved.