Physics, asked by ankit2524, 9 months ago

1) The wire of length L and resistance R is
stretched so that its radius of cross-section
is halved. What is its new resistance?
(A) 5R
(C)4R
(B) SR
(D) 16Rwhat options will be correct

Answers

Answered by anirka161

4

Answer:

its resistance will increase 4 times.resistance is directly propotional to length and inversly propotional to the area of crossection.

Explanation:

plzzz, mark me as brainlist

Previous Question

Next Question

Similar questions

Science, 4 months ago

➡️Give answer in one word⬅️ 1. The rearing of silkworms for obtaining silk. 2. The largest producer of silk. 3. Cotton fibres are separated from the seeds by combing this process. 4. It yields silk fibres. 5. The chief component of wool fibres. 6. Is a process that makes use of a single yarn to make a piece of fabric. 7. It is made of fibres. 8. The process of removing the fleece of the...

Science, 4 months ago

How will you differentiate between an acid and a base...

English, 4 months ago

4. Why did he serve the Lion for a long time?

English, 9 months ago

Why does the poet hold for those who favor fire??

English, 9 months ago

He Patted Patted me on me on the head.

English, 1 year ago

change in to passive voice. 1.when did you read the story?

History, 1 year ago

Who was the founder of language English and in which AD...

Social Sciences, 1 year ago

हिन्द भारत की जनता के संदर्भ में "हिन्दू" शब्द का प्रथम बार प्रयोग किया था ? (A) अरबों ने (B) यूनानियों ने (C) रोमवासियों ने (D) चीनियों ने...