Worksheet
Test Scenario: DC Circuit 1
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Refer to the following information for the next six questions.
This scenario is based on the AP Physics B FRQ #3 administered in 1990.
It is suggested that you complete an R|I|V|P chart and a voltage diagram, before answering the questions below.
(a) What is the equivalent resistance of the combination of 4-ohm, 2-ohm, and 12-ohm resistors?
(b) What is the current in the 5-ohm resistor?
What is the terminal voltage (V
AC
) of the battery?
(d) What is the rate at which energy is dissipated in the 12-ohm resistor?
(e) What is the magnitude of the potential difference V
BC
?
(f) What is the power delivered by the battery to the external circuit?
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