Science, asked by nikkierek2sha, 1 year ago

A wire has resistance of 10 ohm, if it us melted and redrawn to (a) double is length and (b) half of its radius, find the new resistence in both cases.

Answers

Answered by gajender1

5

in first case the new resistance is 40 ohm

Previous Question

Next Question

Similar questions

Math, 8 months ago

The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, the length of the wire is * 1 point 6 m 10 m 12 m 20 m...

Hindi, 8 months ago

एषा ----------- लेखनी । * त्वाम् तव...

Geography, 8 months ago

movement of skilled and educated from their home country to another country????

India Languages, 1 year ago

What is kriya visheshan avyay in marathi...

Biology, 1 year ago

Take large carrot/ potato pieces ( peeled and unpeeled both) and place in the beakers containing the following liquids.. Distilled water, vinegar, milk, saturated salt solution, saturated sugar solution. Observe ... 1. What the difference in physical state of potato is observed in all 6 cases?

Physics, 1 year ago

Find the energy of a possessed ball of mass 550 g rolling on the surfacewith a speed of 25 m/sec. A)120.896 joules B)132.875 joules C)171.875 joules D)150.965 joules Answer is C.I want the solution...

Physics, 1 year ago

how can we test the purity of metals...

Hindi, 1 year ago

what are ducks features?