Photoconductors of xerox machine uses.

With most of the Xerox machines, you can reduce or enlarge your original by entering a percentage for the copy.Reshma wanted to enlarge a 2 cm by 4 cm drawing. She set the Xerox machine for 150% and copied her drawing .What will be the dimensions of the copy of the drawing be?

Which one of the following figures represents the relationship among computer, Xerox machine, and office equipment?

What is the basic principle of working of cyclotron? Write two uses of this machine.

Fill in the blanks- _________ and _________ metals are used in making of electrical devices and parts of the machines.

Fill in the blanks- ________ is an alloy which is used for making wires, parts of the machine and utensils.