Question 15 (3 points)
(9.40_q15) the 9 volt battery is replaced with a 12 volt battery in a...
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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.
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