Question

200 j of heat is produced in ome second from a resistor of resistence 8 ohm find the potential difference across tge resistence and its power​

Answer 1

Answer:

H=V^2/R

V=

$\sqrt{hr}$

v=sqrt(200*8)=400 v

Answer 2

Aɴꜱᴡᴇʀ

$\red{\tt{\therefore \: Potential \: Difference \: across \: Resistor \: is \: 31.62 \: Volts}}$

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Gɪᴠᴇɴ

Heat Energy (H) = 200 J

Resistance (R) = 5 ohm

Time (t) = 1s

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ᴛᴏ ꜰɪɴᴅ

Potential Difference across the resistors and it's power

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Sᴛᴇᴘꜱ

Use formula for Heat Energy :

$\begin{lgathered}\dashrightarrow \boxed{\sf{H \: = \: \dfrac{V^2}{R}t}} \\ \\ \dashrightarrow \tt{200 \: = \: \dfrac{V^2}{5} \: \times \: 1} \\ \\ \dashrightarrow \tt{V^2 \: = \: 200 \: \times \: 5} \\ \\ \dashrightarrow \tt{V^2 \: = \: 1000} \\ \\ \dashrightarrow \tt{V \: = \: \sqrt{1000}} \\ \\ \dashrightarrow \tt{V \: = \: 31.62} \\ \\ \pink{\sf{\therefore \: Potential \: Difference \: across \: Resistor \: is \: 31.62 \: Volts}}\end{lgathered}$

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$\huge{\mathfrak{\purple{hope\; it \;helps}}}$