electrical engineering quiz 1

The standard unit of measurement for the strength of an electric current is called

• ampere

• noise

• circuit

• analog

Representing electronic information as a continuously varying signal is called ...

• ampere

• noise

• vibrations

• analog

A closed system of wires or pipes through which electricity or liquid can flow is called ...

• ampere

• noise

• circuit

• analog

Any bad change in a signal,especially in a signal produced by an electronic device is called ...

• ampere

• noise

• circuit

• analog

Friction is ...

• the speed at which an object is travelling

• a small plastic or rubber object with two or three metal pins, attached to the end of a wire on a piece of electrical equipment and pushed into special opening in wall to connect the equipment to a supply of electricity

• the force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas

• a screw-like metal object without a point, used with a nut to fasten things together

Plug is ...

• the speed at which an object is travelling

• a small plastic or rubber object with two or three metal pins, attached to the end of a wire on a piece of electrical equipment and pushed into special opening in wall to connect the equipment to a supply of electricity

• the force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas

• a screw-like metal object without a point, used with a nut to fasten things together

Bolt is ...

• the speed at which an object is travelling

• a screw-like metal object without a point, used with a nut to fasten things togethe

• a small plastic or rubber object with two or three metal pins, attached to the end of a wire on a piece of electrical equipment and pushed into special opening in wall to connect the equipment to a supply of electricity

• the force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas

 

Velocity is ...

• the speed at which an object is travelling

• a small plastic or rubber object with two or three metal pins, attached to the end of a wire on a piece of electrical equipment and pushed into special opening in wall to connect the equipment to a supply of electricity

• the force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas

• a screw-like metal object without a point, used with a nut to fasten things together

 

Substances can be melted and formed into shapes that become hard, and can then be melted again is called ...

• insulator

• thermoplastic

• stiff

• copper

A chemical element that is a reddish-brown metal, used especially for making wire and coins is called ...

• insulator

• thermoplastic

• stiff

• copper