Question

A car’s headlight dissipates 40 W on low beam and 50 W on high beam. Is there more or less resistance in the high-beam filament?
@Abhisar

Answer 1

What's ur say ?

Answer 2

i would say there is less resistance because it is putting out more watts

Answer 3

brb

Answer 4

i am back

Answer 5

u know the formula for power ?

Answer 6

it's
\[P = \frac{ V^{2} }{R}\]

Answer 7

Now can uh predict the answer using this ?

Answer 8

the formula says that power is inversly proportional to the resistance

Answer 9

i.e if power increases resistance decreases

Answer 10

Now predict the answer !

Answer 11

???????

Answer 12

ok i'm here i walked away

Answer 13

explain the formula again please

Answer 14

p = power, v = voltage, R = resistance

Answer 15

P= 40\[P=40^2 /r\]

Answer 16

?

Answer 17

No actually u dont need to calculate anything...

Answer 18

the formula says that power is inversly proportional to the resistance

Answer 19

i.e if power increases resistance decreases

Answer 20

so i was right the first time?

Answer 21

More the power of bulb, lesser will be resistance

Answer 22

Yes uh r ryt !