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.