Physics - MOST IMPORTANT UPSSSC VDO Previous Year Questions

It is an electrical device used to expand the capacity of a wall outlet which can accommodate devices.

It plugs multiple components into a power outlet.

It provides power supply for electronic devices.

It is used to increase the magnitude of voltage/current/power of input signal.

Fountain Pen - Lewis Edson Waterman

Ammeter - Zacharias Janssen

Barometer - Evangelista Torricelli

Animation - Emile Cohl

Microwave Oven - Percy Spencer

Transformer - Pierre Vernier

Battery - William Stanley

Vernier Caliper - Alessandro Volta