find resistivity, if resistance is 0.2 Kohm, area of cross section is 1 sqcm and length is 10 cm.
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Answer : 20 ohm/m
Step-by-step explanation:
R=0.2Kohm=200ohm
L=10cm=0.1m
A=1sq cm=0.01sq m
R=r(L/A)
Where r is the resistivity
r = (R×A)/L
= 200×0.01/0.1
= 20 ohm/m
Hope it helps
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