Question

C)
IA
A uniform wire of resistance 5012 is cut into five equal parts. These parts are now connected in
parallel
. Then the equivalent resistance of the combination
A-2
B-12
C-250
D-6250
​

Answer 1

Answer:

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Explanation:

ANSWER

We know that R∝l

On cutting the wire into five equal parts, length of each part becomes one-fifth and hence resistance of each part=R=

5

50

=10Ω

When all five wires of resistance R are connected in parallel, equivalent resistance becomes

5

R

=

5

10

=2Ω