Solve these are phy questions no.3,4,and also b
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3.both are responsible to change resistance.
when length is doubled then resistance will be doubled.
when diameter is doubled resistance will be half..
as resistance directly proportion to length.
and inversely proportion to area or radius
when length is doubled then resistance will be doubled.
when diameter is doubled resistance will be half..
as resistance directly proportion to length.
and inversely proportion to area or radius
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