Physics, asked by nahaarshad346, 1 year ago

The resistance of wire of given length is R ohm if it is drawn such that its length is double its resistance will be
a) 2R
b) 4R
c) 1/2R
d) 1/4R

Please tell me the ans with complete process

Answers

Answered by NJD38

1

Answer:

Your answer is 4R..

Answered by onlineshailendra

0

Answer:

1/4 r. because relaxation time increase so resitivity decrease or conductivity increase

Previous Question

Next Question

Similar questions

History, 6 months ago

The Renaissance was a period of rebirth and innovation and creativity”. Formulate a clear and a specific research question on this theme to build the relevance of the Renaissance to the modern world.

Math, 6 months ago

solve the following equation and verify: @8t-7=25...

Math, 6 months ago

simplify 7r(4rs-5s²)-3r(-6rs+15s²)-4r(-rs-2s³)...

Science, 1 year ago

Which is not correct: (1) Bond angle H-S-H<H-OH (2) Bond angle F-O-F< Cl-O-C1 (3) Bond angle H-P-H<H-N-H (4) Bond angle Cl-Sn-Cl > Cl-Hg-Cl...

Biology, 1 year ago

can A+ give blood to AB-...

Math, 1 year ago

The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is: (a) 15360 (b) 153600 (c) 30720 (d) 307200...

Social Sciences, 1 year ago

In Vijayanagar kingdom Varaha was a ...................... coin. Fill in the blank...

Social Sciences, 1 year ago

The four countries of Indian Continental India, Pakistan, Bangladesh and Srilanka will be the host for the World Cup Cricket (2007, 2011, 2015, 2019)...