Question 15 (3 points)
(9.40_q15) the 9 volt battery is replaced with a 12 volt battery in a...
Question 15 (3 points)
(9.40_q15) the 9 volt battery is replaced with a 12 volt battery in a circuit with 12 ω resistance. what happens to the current?
question 15 options:
the current increases.
the current is unchanged
the current decreases.
question 16 (3 points)
(9.40_q16) what is the current in a circuit with a 6 volt battery and 1.5 ω resistance?
question 16 options:
0.25 amp
0.4 amp
4 amp
9 amp
question 17 (3 points)
(9.40_q17) a 6 volt battery is replaced with a 3 volt battery in a circuit with 3 ω resistance. what happens to the current?
question 17 options:
the current increases.
the current is unchanged
the current decreases
question 18 (3 points)
(9.40_q18) what kind of relationship exists between voltage and current?
question 18 options:
a direct relationship
no relationship
an inverse relationship
question 19 (3 points)
(9.40_q19) which affects which? does voltage affect current or does current affect voltage?
question 19 options:
voltage affects current
voltage and current have no relationship with each other
current affects voltage
voltage and current both affect each other.
question 20 (3 points)
(9.40_q20) a 12 volt battery is replaced with a 6 volt battery at the same time as the resistance of a circuit is reduced from 5 ω to 2.5 ω. what happens to the current?
question 20 options:
the current increases
the current is unchanged
the current decreases
it is impossible to tell with the information provided.
Answers: 3
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How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
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All other things being equal the size of a population will decrease if
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