Science - Physics (Electricity and Magnetism)

Question 1

like charges

Answer 1

repel eachother

Question 2

unlike charges

Answer 2

attract eachother

Question 3

coulomb’s law

Answer 3

force of attraction and repulsion

- electric force between two charges is proportional to the product of the two charges

Question 4

magnetism

Answer 4

force of attraction

Question 5

when do magnetic fields exist?

Answer 5

whenever electric charges are moving

Question 6

when the moving charges are in a wire that loops…

Answer 6

a torque results

Question 7

what is the device that converts mechanical energy into electric energy

Answer 7

generator

Question 8

electrical potential energy

Answer 8

gravitational force associated with an objects position

Question 9

potential difference

Answer 9

change in electrical potential energy

Question 10

what is the device that changes the potential difference of of electricity

Answer 10

transformer

Question 11

what is another term for potential difference?

Answer 11

voltage

Question 12

ampere

Answer 12

unit used to measure electrical current

Question 13

ammeter

Answer 13

device that measures the current going through any specific point on the circuit

Question 14

what are the two different types of circuits

Answer 14

series circuit

parallel circuit

Question 15

series circuit

Answer 15

all its resistors in a row so that all current must travel through all resistors

Question 16

parallel circuit

Answer 16

all the resistors are arranged side by side, all have same voltage

Question 17

resistor

Answer 17

lowers voltage

Question 18

electrical power equation

Answer 18

power = voltage x current

Question 19

watt equation

Answer 19

watt = volts x amperes