QuestionFebruary 3, 2026

Series Circuits: Calculating Voltage Resistance and Current 10/27/25 Resistors is Electric cosytes 8. Current for Seri Copy link R_(1)=5Omega 1. Total voltage gain R_(3)=7Omega V_(T)=12V w 2. Equivalent resistance R_(T)=R_(1)+R_(2)+R_(3) videos Combination nation Circuits Voltage Adding Resistors Adding Resistors Resistance MULTIPLE-CHOICE QUESTION What is the total or equivalent resistance of this circuit? 12Omega 21Omega 33Omega

Series Circuits: Calculating Voltage Resistance and Current 10/27/25 Resistors is Electric cosytes 8. Current for Seri Copy link R_(1)=5Omega 1. Total voltage gain R_(3)=7Omega V_(T)=12V w 2. Equivalent resistance R_(T)=R_(1)+R_(2)+R_(3) videos Combination nation Circuits Voltage Adding Resistors Adding Resistors Resistance MULTIPLE-CHOICE QUESTION What is the total or equivalent resistance of this circuit? 12Omega 21Omega 33Omega
Series Circuits: Calculating Voltage Resistance and Current 10/27/25
Resistors is Electric cosytes	8. Current for Seri
Copy link
R_(1)=5Omega 	1. Total voltage gain
R_(3)=7Omega 
V_(T)=12V
w
2. Equivalent resistance
R_(T)=R_(1)+R_(2)+R_(3)
videos
Combination nation Circuits Voltage Adding Resistors Adding Resistors
Resistance
MULTIPLE-CHOICE QUESTION
What is the total or equivalent resistance
of this circuit?
12Omega 
21Omega 
33Omega

Solution
4.0(325 votes)

Answer

Cannot determine without R_2. Explanation 1. Identify Given Values R_1 = 5\Omega, R_3 = 7\Omega, V_T = 12V. Note that R_2 is missing. 2. Use Formula for Equivalent Resistance **R_T = R_1 + R_2 + R_3**. We need R_2 to find R_T. 3. Calculate Equivalent Resistance Assuming R_2 is given or calculated, substitute values into the formula to find R_T.

Explanation

1. Identify Given Values<br /> $R_1 = 5\Omega$, $R_3 = 7\Omega$, $V_T = 12V$. Note that $R_2$ is missing.<br /><br />2. Use Formula for Equivalent Resistance<br /> **$R_T = R_1 + R_2 + R_3$**. We need $R_2$ to find $R_T$.<br /><br />3. Calculate Equivalent Resistance<br /> Assuming $R_2$ is given or calculated, substitute values into the formula to find $R_T$.
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