Three resistors of
1
2
0

�
,

1
8
0

�
,
and
2
4
0

�
are connected in series. Calculate the total resistance

Question

Three resistors of 
1
2
0
 
�
,
 
1
8
0
 
�
,
 ﻿and 
2
4
0
 
�
 ﻿are connected in series. Calculate the total resistance

VIPSolutions · Accepted Answer

# Total Resistance of Series Resistors

When resistors are connected **in series**, the total resistance ($R_{\text{total}}$) is the sum of the individual resistances:

$$
R_{\text{total}} = R_1 + R_2 + R_3
$$

## Given Values

- $R_1 = 120~\Omega$
- $R_2 = 180~\Omega$
- $R_3 = 240~\Omega$

## Calculation

$$
R_{\text{total}} = 120~\Omega + 180~\Omega + 240~\Omega
$$
$$
R_{\text{total}} = 540~\Omega
$$

## Final Answer

**The total resistance is $540~\Omega$.**

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