What is the current flow through R1, R2, and R3? 1A, 1A, 1A 1A, 2A, 3A 3A, 3A, 3

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Question
What is the current flow through R1, R2, and R3?
Options
A. 1A, 1A, 1A
B. 1A, 2A, 3A
C. 3A, 3A, 3A
D. 3A, 2A, 1A

Correct Answer

1A, 1A, 1A

Explanation

V = IR

V = I(R1 + R2 + R3)

I = V/(R1 + R2 + R3)

= 9/(3 + 3 + 3)

= 9/9

= 1 Amp.

Series Circuits problems

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1. How will an open resistor affect a series circuit?
Options
A. Current will flow around the open resistor.
B. The open resistor will drop 0 V.
C. Total resistance will decrease.
D. No current will flow in the circuit.

3. A series circuit current:
Options
A. remains the same through each component
B. is the same as the individual resistances
C. is subtracted by each component
D. varies through each component

4. Kirchhoff's voltage law states that:
Options
A. the sum of the voltage drops in a series circuit is equal to the total applied voltage
B. the algebraic sum of the resistances is equal to the sum of the voltages
C. the algebraic sum of the individual currents around a closed loop is zero
D. the voltages developed across each element in a series circuit are identical

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