A resistor of 5 ohm resistance is connected in series with a parallel combination with resistors of 6 ohm. if total resistance of combination is 7 ohm . How many resistors r in parallel ?

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Solution

Let R₁= 5 Ω

Let n be the number of resistors connected in parallel. Then, equivalent resistance will be
$R_{n} = \frac{6}{n}$

According to the question
$5 + \frac{6}{n} = 7 \Rightarrow \frac{6}{n} = 2 \Rightarrow n = \frac{6}{2} = 3$
Thus, three resistance are in parallel.

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A resistor of 5 ohm resistance is connected in series with a parallel combination with resistors of 6 ohm. if total resistance of combination is 7 ohm . How many resistors r in parallel ?

Let R1 = 5 Ω Let n be the number of resistors connected in parallel. Then, equivalent resistance will be Rn=6n According to the question 5+6n=7⇒6n=2⇒n=62=3 Thus, three resistance are in parallel.

Let R₁= 5 Ω

Let n be the number of resistors connected in parallel. Then, equivalent resistance will be
$R_{n} = \frac{6}{n}$

According to the question
$5 + \frac{6}{n} = 7 \Rightarrow \frac{6}{n} = 2 \Rightarrow n = \frac{6}{2} = 3$
Thus, three resistance are in parallel.