Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Two electric bulbs have tungsten filament of same length. If one of them gives 60 watt and other 100 watt, then

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

100 watt bulb has thicker filament

b

60 watt bulb has thicker filament

c

both filaments are of same thickness

d

it is impossible to get different wattage unless the lengths are different

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

R∝1PHence resistance of 60 watt bulb will be more than resistance of 100 watt bulbFurther R=ρ1πr2  or  R∝1r2So, the radius of 1o0 watt bulb will be more than 60 watt bulb, Hence 100 watt bulb has thicker filament.
Watch 3-min video & get full concept clarity

courses

No courses found

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Two electric bulbs have tungsten filament of same length. If one of them gives 60 watt and other 100 watt, then