Resistance

Determine the resistance of the bulb with the current 200 mA and is in a regular lamp (230V).

Correct answer:

R =  1150 Ω

Step-by-step explanation:

$$\begin{gathered} U=230\text{ V } \\ I=0.200\text{ A } \\ R=U\mathrm{/}I=230\mathrm{/}0.2=1150\mathrm{\Omega } \end{gathered}$$

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