Question

Supposing three resistors of magnitude 2ohms, R and 3ohms respectively,are connected in series .Find the value of R in ohms if the equivalent resistors is expected to be 15ohms

Answer 1

Answer:

i don't no

Explanation:

because i don't no

Answer 2

Aɴꜱᴡᴇʀ

Resistance = 10 Ohm

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Gɪᴠᴇɴ

$\tt \leadsto Resistors = 2 \Omega , \: R, \: 3\Omega \\ \\ \tt \leadsto R_{equivalent} = 15\Omega$

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ᴛᴏ ꜰɪɴᴅ

➤ The value of R

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Sᴛᴇᴘꜱ

$\begin{lgathered}\bold{As \: we \: know \: that} \\ \tt \leadsto R_{equivalent} = R_{1} + R_{2} + R_{3} \\ \\ \tt \leadsto 15 = 2 + R + 3 \\ \\ \tt \leadsto15 = 5 + R \\ \\ \tt \leadsto R= 15 - 5 \\ \\ \green{\tt \leadsto R= 10\Omega} \\ \\ \blue{\bold{Some \: related \: formula}} \\ \\ \red{\text{For \: parrallel \: series}}\\ \orange{\tt \circ \: R_{equivalent} = \frac{1}{ R_{1} } + \frac{1}{ R_{2} } + \frac{1}{ R_{3} } + .... + \frac{1}{ R_{n} } } \\ \\ \orange {\tt \circ \: V= IR}\end{lgathered}$

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