Voltage

Question 1

Potentntial difference will exist between two points in a circuit that have a ?

Answer 1

Diffrent in charge

Question 2

What is potential diffrence mesured in

Answer 2

Volts (V)

Question 3

What is the name of the force that drives the current through a circuit ?

Answer 3

Electromotive force (EMF)

Question 4

Name 6 methods by which voltage can be produced ?

Answer 4

Chemical
Friction 
Induction 
Pressure
Heat
Light

Question 5

To produce a voltage chemically , the twometal plates need to be made of ?

Answer 5

Dissimilar metals

Question 6

What is a example of where voltage is produced by friction?

Answer 6

Rubbing and sticking a balloon from your head to the wall

Question 7

What is the requirements neeeded to producea voltage by induction

Answer 7

Electrical conductor
Magnetic field
Relative movement

Question 8

What determines the polarity of an induced voltage

Answer 8

The direction of movement between magnetic field and conductor

Question 9

What determines the amount of voltage produced by a thermocouple

Answer 9

The diffrence in temputre

The Two types of material used

Question 10

What is the name given to the materials in a solar panel

Answer 10

Semiconductors