TEST UNIT 3 ELECTRICITY

How can it be connected two or more generators?

• Serial

• Parallel

• Serial and Parallel

• Mixed

How many poles have a magnet?

• Two, north and South

• Two, East and West

• Four, North, South, East and West

• Two, Orange and Lemmon

What is the main different between a electromagnet and a magnet?

• There is no significant different

• Electromagnets only work while there is an electrical current

• Magnets are only used as a toy

• All of them are correct

Two generators of 3V connected in serial way, provide a voltage of......

• 6V

• 3V

• 1.5V

• It is not possible to connect two generators

Two generators of 3V connected in paralled way, provide a voltage of......

• 6V

• 3V

• 1.5V

• It is not possible to connect two generators

What happen in a series circuit with various lamps if one lamp crashes

• Nothing

• only one lamp lights

• none lamp lights

• All circuit explotes

What happen in a paralled circuit with two lamps if one lamp crashes

• Nothing

• only one lamp lights

• none lamp lights

• All circuit explotes

Draw a circuit with one generator, and two or three resistors connected in series

Draw the symbol of an electric motor

Draw a circuit with one generator, and two or three resistors connected in parallel