Question

What is the total resistance of the circuit shown below?
(Please help)

Answer 1

`\huge{ \mathfrak{ \underline{Answer : }}}`

In the given figure, the resistors are joined in parallel connection.

Let's solve for total resistance
`R_t` :

• 
  `(1)/(R_t) = (1)/( R_1) + (1)/(R_2)`

• 
  `(1)/(R_t) = (1)/(20) + (1)/(30)`

• 
  `(1)/(R_t) = (3 + 2)/(60)`

• 
  `(1)/(R_t) = (5)/(60)`

• 
  `{R_t} = (60)/(5)`

• 
  `{R_t} = 12 \: \: ohms`

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