The resistors in this circuit are identical. A current Io flows through the firs

Question

The resistors in this circuit are identical. A current Io flows through the first resistor when the switch (sw) is open, as shown here. Remember that no current will flow through an open switch (which has infinite resistance), and that the resistance of an ideal wire is zero.

-When the switch is closed
A) no current flows through the wire with the switch.
B) no current flows through the second resistor.

-When the switch is closed the current through the first resistor will be
A) Io
B)zero
C) Io/2
D) 2Io

*I only have ONE try for each part. Please explain how you get your answer!

Explanation / Answer

B) no current flows through the second resistor. C) Io/2

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