Question

The resistance of the filament in a light bulb is 1000 ohm. If the bulb is fed by a current from a source of potential difference 230V. How much current will flow through it?

Answer 1

Explanation:

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Answer 2

Here resistance of bulbs is $1000 ohm$.

So,

$R=1000ohm$

$V=230V$

we have to find the current (I)

$I=?$

So, as ohm's law

$V=IR$

$I=V/R$

So apply 2 formulas

$I=V/R$

$I=\frac{230}{1000}$

$I=0.25amp$

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