9.40_q1) which particle moves through a metal wire as electricity?

question 1 options:

protons

neutrons

electrons

atoms

(9.40_q2) electrons move

question 2 options:

thru the circuit from the negative power terminal to the positive power terminal

thru the circuit from the positive power terminal to the negative power terminal

(9.40_q3) the flow of electrons is called and is symbolized as i

question 3 options:

voltage

current

resistance

ohm

(9.40_q4) the "force" causing electricity to flow is called

question 4 options:

voltage

current

resistance

ohms

(9.40_q5) the "force" opposing the flow of electricity is called

question 5 options:

voltage

current

resistance

amps

(9.40_q6) the current is measured in units of

question 6 options:

volts

ohms

amps

henrys

(9.40_q7) the voltage is measured in units of

question 7 options:

volts

amps

ohms

henrys

(9.40_q8) the resistance to the flow of electricity is measured in units of .

question 8 options:

volts

amps

ohms

henrys

(9.40_q9) when electricity goes through an electrical component it encounters a resistance to its flow. what happens to the voltage of the electricity as it goes through the component?

question 9 options:

the voltage is increased because of the electrical resistance.

the voltage is unchanged by the electrical resistance.

the voltage is decreased by the electrical resistance.

(9.40_q10) what happens if an led is installed backward in a circuit

question 10 options:

it works, but it glows with the wrong color.

it works and glows so brightly it can hurt your eyes.

it doesn't work. the electricity can't go backwards thru an led.