Question

A lamp draws a current of 0.5A when it is connected to a 230V supply .What is the resistance of the filament of the lamp​

Answer 1

Given:

Electric current of lamp (I)=0.5A

Voltage (V)=230V

Resistance (R)=?

Solution:

Using Ohm's law

$V=IR$

230=0.5×R

or, R=230/0.5

R=460Ω

Therefore, the resistance of the filament of the lamp​ is 460Ω.

Answer 2

Answer:

The correct answer of this question is 460Ω

Explanation:

Given - A lamp draws a current of 0.5A when it is connected to a 230V supply .

To Find - Write what is the resistance of the filament of the lamp​.

The electric current of lamp (I) = $0.5A$

Voltage (V) =  $230V$

Resistance (R)=?

According to the question -

Using Ohm's law -

$230$ = $0.5$ × R

and  R = 230/0.5

R = 460Ω

The resistance of the filament of the lamp​ is 460Ω

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