Physics, asked by sanju2363, 9 months ago

what is the operating resistance of a 100- watt household light bulb? the operating line voltage of household electriciry is 120v?

Answers

Answered by smitaprangya98

Answer:

144 ohms

For example, a 100 watt light bulb operating on 120 volts AC will have 144 ohms of resistance and will draw 0.833 Amps.

Explanation:

Given:-

O=100W

V=120V

Have to find:-

R=?

We have,

R=V^2/P

=120^2/100

=14400/100

=144ohm

•°• rheostat =144ohm

Answered by Anonymous

Answer:

given:

P=100W

v=120v

R=?

from P=V^2/R

WE HAVE

R=V^2/P

=(120V)^2/100W

=144 ohm

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what is the operating resistance of a 100- watt household light bulb? the operating line voltage of household electriciry is 120v? ​

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what is the operating resistance of a 100- watt household light bulb? the operating line voltage of household electriciry is 120v?