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.