Question

nichrome and copper wire of same length and same radius are connected in series current I is passed through them which get heated up more justify your answer

Answer 1

Obviously Nichrome because resistivity of Nichrome is greater than that of Copper.

As mention above, both wires are of same length and having same cross section area.Therefore resistance of Nichrome wire will be more than that of Copper.

Since more resistance means more I^2R loss (which is dissipated as heat).

Therefore Nichrome wire will heat sooner as compared to Copper(It is a good conductor of current and have very little resistance).

Resistance can be obtained by:

R=(rho)*l/a

Where

(rho) is resistivity of conductor

l=length of conductor

a=cross section area of conductor.

HOPE IT HELPS

MARK AS BRAINLIEST

Answer 2

Hey !!

Question

Nichrome and copper wires of same length same radius are connected in series. Current I is passed through them. Which wire heated up more and why ?

Answer

I is same in both

           when I is constant

      The heat produced is constant

              H = I²Rt

        H ∝ R

R ∝ f       f is higher for nichrome.

So, R is higher for nichrome.

More heat is produced in Nichrome wire.

DETAILED ANSWER FOR BETTER UNDERSTANDING

Among the two wires having similar length and radius, Nichrome wire gets heated up more as compared wire since resistivity of Nichrome is more than that of Copper. Also, Nichrome wire is a good conductor of current and have very less resistance, so it will heat sooner as compared to Copper.

GOOD LUCK !!