Biology, 23.12.2019 22:31 dogeking12
Question 1 (3 points)
saved
(9.40_q1) which particle moves through a metal wire as electricity?
question 1 options:
protons
neutrons
electrons
atoms
question 2 (3 points)
saved
(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
question 3 (3 points)
saved
(9.40_q3) the flow of electrons is called and is symbolized as i
question 3 options:
voltage
current
resistance
ohm
question 4 (3 points)
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(9.40_q4) the "force" causing electricity to flow is called
question 4 options:
voltage
current
resistance
ohms
question 5 (3 points)
(9.40_q5) the "force" opposing the flow of electricity is called
question 5 options:
voltage
current
resistance
amps
question 6 (3 points)
(9.40_q6) the current is measured in units of
question 6 options:
volts
ohms
amps
henrys
question 7 (3 points)
(9.40_q7) the voltage is measured in units of
question 7 options:
volts
amps
ohms
henrys
question 8 (3 points)
(9.40_q8) the resistance to the flow of electricity is measured in units of .
question 8 options:
volts
amps
ohms
henrys
question 9 (3 points)
(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.
question 10 (3 points)
(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.
question 11 (3 points)
(9.40_q11) in a 3 volt circuit, a 10 ω (ohm) resistor is replaced with a 15 ω resistor. what will happen to the current?
question 11 options:
the current will increase.
the current will remain unchanged.
the current will decrease.
question 12 (3 points)
(9.40_q12) what is the current in a 9 volt circuit with 12 ω resistance?
question 12 options:
9 amp
1.33 amp
0.67 amp
0.75 amp
question 13 (3 points)
(9.40_q13) in a 12 volt circuit, a 20 ω resistor is replaced with a 12 ω resistor. what happens to the current?
question 13 options:
the current increases.
the current is unchanged.
the current decreases.
question 14 (3 points)
(9.40_q14) what kind of relationship exists between resistance and current?
question 14 options:
a direct relationship
no relationship
an inverse relationship
Answers: 2
Biology, 22.06.2019 04:00
The transport tubes from food came down the plant are called?
Answers: 1
Biology, 22.06.2019 08:30
Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.
Answers: 1
Biology, 22.06.2019 17:00
Which of the following is a feature of all cells? o a. all cells have a nucleus. o b. all cells have dna for at least part of their life cycle. het . o c. all cells are spheres. o d. all cells have a rigid cell wall.
Answers: 1
Question 1 (3 points)
saved
(9.40_q1) which particle moves through a metal wire as elec...
saved
(9.40_q1) which particle moves through a metal wire as elec...
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