Physics, asked by raghul7764J, 10 months ago

If R1 and R2 are the resistance of statements of a 400 W and 200 W lamp designed to

operate at same voltage, then:

Answers

Answered by sasikalajanasree

12

hey hiiiiii dude here is u r answer ☺

p = v^2 / r

let p1 = 400w

let p2 = 200w

p1 / p2 = 2

400 / 200 = 2

as voltage is same

so p1 / p2 = r1 / r2

2 = r2 / r1

r2 = 2r1

❤ I HOPE U LIKE IT DUDE ❤

❤ YO YO BUDDY ❤

Previous Question

Next Question

Similar questions

Hindi, 5 months ago

* पानी बाढ़ो नाव में, घर में बाढ़ो दाम । दोनों हाथ उलीचिए, यही सयानो काम ।। यही सयानो काम, राम को सुमिरन कीजै । परस्वास्थ के काज, शीस आगे कर दीजै ।। कह गिरिधर कविराय, बड़ेन की याही बानी। चलिए चाल सुचाल, राखिए अपनो पानी ।। tell the meaning of the paragraph.

Physics, 5 months ago

Find the area of a body which experiences pressure of 50000 Pa by a thrust of 100N...

Physics, 5 months ago

.. If all the terms in an equation have same units, is it necessary that they have same dimensions? If all the terms in an equation have same dimensions, is it necessary that they have same units ?

Economy, 10 months ago

explain the socioeconomic impacts of improved chullah ...

Computer Science, 10 months ago

6. Processing is done in the primary storage unit YES NO...

Physics, 1 year ago

One of the two rectangular components of a force is 10N and it makes an angle 60" with the force. The magnitude of the force is ...

Math, 1 year ago

If x2 + x +1=0, then the value of : (x+1/x)3+(x2+1/x2)3+(x3+1/x3)3+........(x100+1/x100)3...

Math, 1 year ago

prove that (x)°=1 if X have power 0 then prove X is equal to 1...