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Electricity and Magnetism
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The mass of a
copper
wire of resistance R
1
and length I
1
is four times the mass of another
copper
wire of length I
2
and resistance R
2
. If R
1
= R
2
, which one of the following is correct ?
I
1
= I
2
I
1
= 4 I
2
I
1
= 2 I
2
2 I
1
= I
2
Correct Option:
C
NA
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