Voltage

Question 1

Potential difference will exist with two points with a…?

Answer 1

Difference in charge

Question 2

Potential difference is measured in

Answer 2

Volts

Question 3

Name of the force that drives a current through a circuit

Answer 3

Electromotive force

Question 4

6 methods voltage can be produced

Answer 4

Heat, chemical, friction, induction, pressure, light

Question 5

To produce a voltage chemically, the two metals plates must be

Answer 5

dissimilar materials

Question 6

Example of voltage produced by friction

Answer 6

Balloon stuck to wall

Question 7

3 requirements to produce voltage by induction

Answer 7

Movement
Magnetic field
Conductor

Question 8

What determines polarity of induced voltage

Answer 8

Direction of movement between magnetic field and Conductor

Question 9

What determines voltage produced by thermocouple

Answer 9

Types of Material

Difference in temperature

Question 10

Name of materials in a solar panel

Answer 10

Semiconductor

Question 11

Example of voltage produced by pressure

Answer 11

Piezoelectric crystal being compressed

Question 12

Sketch of Conductor parts

Answer 12

Bound electrons
Wire
Free electrons 
Atom
Direction of current

Question 13

Sketch of wet cell

Answer 13

Container 
Negative plate
Positive plate 
Electrolyte
Load 
Current flow(to load/between plates)