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Find the resistance of the lamp if an electrical bulb is rated 60W,240v.​
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1 vote
Find the resistance of the lamp if an electrical bulb is rated 60W,240v.​

User Miroo
by
4.8k points

2 Answers

6 votes

Answer:

960 Ω

Step-by-step explanation:

User Wilhelm Kleu
by
4.9k points
9 votes

Answer:


R= 960 \: Ohm

Step-by-step explanation:

P = 60 W

V = 240 V


P= VI


\implies I= (P)/(V)


\implies I= (60)/(240)


\implies I= 0.25 A

Now, by Ohms law


R= (V)/(I)


\implies R= (240)/(0.25)


\implies R= 960 \: Ohm

User Lennert
by
5.2k points
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