Science, asked by vishalguptaji52226, 1 year ago

a resistor R has length l and area A is doubled in length by by stretching. What will be its new resistance.?

Answers

Answered by ishitpathak0909

0

Answer:same as before

Explanation:

rho *2l/a/2

therefore

2 and 2 get cancelled

so the resistence remains the same

when wire is streched area becomes half

common sense

Previous Question

Next Question

Similar questions

History, 6 months ago

write a composition on natural beauty of a Nepal in 3-4 paragraph...

Math, 6 months ago

Select the correct graph and equation. A jetliner uses 3,600 gallons of fuel per hour while it is cruising, and there are 15,000 gallons of fuel in the jetliner's fuel tank when it begins to cruise. If y represents the amount of fuel, in thousands of gallons, remaining in the fuel tank after the jetliner cruises for x hours, determine the graph of the solution set for this situation and the...

Science, 6 months ago

D Rewrite the following paragraph in the passive voice. The active verbs are underlined. You do not need to include the doer of the action. A month ago, I changed houses. Before moving into the new house, I cleaned it thoroughly. First, I swept all the rooms. Then I scrubbed the walls clean with warm water and detergent. During this exercise, I noticed many holes and chinks in my walls. So, I...

Social Sciences, 1 year ago

What is the meaning of food vacusle...

Math, 1 year ago

Count in hundreds 43,810 43,910...

Chemistry, 1 year ago

explain the molecules of elements and compounds?

Chemistry, 1 year ago

a gas which can be obtained by heating Ammonium Nitrite...

Science, 1 year ago

definition of and units of mass and volume ?