Physics, asked by krishnarchana, 2 months ago

if the percentage error in the measurement of voltage is 5% and that in current is 2% then what is the percentage error in power

Answers

Answered by hartikkumar57

2

7%

Explanation:

as P=i^2R eq1

and R=V/I eq2

put eq 2 in eq 1

we get

P=IV

P%ERROR=I%ERROR +V%ERROR

=2%+5%

=7%

Previous Question

Next Question

Similar questions

English, 1 month ago

why did she don't want to give a brief in the diary at first?

Math, 1 month ago

3^-2 x 3^-5 is equal to : a) 3^-7 b) 3^-3 c) 3^-10 d) 3^7...

Math, 1 month ago

four fifth of a number are more than three fourths of a number by 4. find the number.

Math, 2 months ago

Qno 4 hello guys please solve it...

Math, 2 months ago

ar (17. Show that the differential equation of the circles through th intersection of the circle x² + y = 1 and the line x - y = 0 is give by (x2 - 2xy - y2 + 1) dx + (x2 + 2xy - y2 - 1) dy = 0.

Physics, 9 months ago

Q.2 Draw a ray diagrame to show the formation of image when the object is placed infront of concave mirror. (ii) Between its centre of curature and focus point.

India Languages, 9 months ago

can someone say the answer of the following question? Not very good at hindi. नीचे िलखे अनेक शों के िलए एक श िलखए । 1 जो आंखों के सामने हो …………………… 2 िजसे काटा न जा सके …………………… 3 जो िदखाई न दे …………………… 4 िजसकी तुलना न हो सके …………………… 5 बढ़ा चढ़ा कर कही गई उ …………………… 6 िजसम धैय न हो …………………… 7 िबना िकसी िनयम के …………………… 8 कई राों से संबंिधत …………………… 9 िजसकी आशा न हो …………………… 10 िजसका मू...

Physics, 9 months ago

Please solve 11th and 12th question...