Electric current is passing through a solid conductor PQPQ- The electric current densities P and Q are in the ratio-1-22-11-44-1

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Electric current is passing through a solid conductor PQ. The electric current densities at P and Q are in the ratio.

$1 : 2$
$2 : 1$
$1 : 4$
$4 : 1$

2 : 1

4 : 1

1 : 2

1 : 4

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Electric current is passing through a solid conductor PQPQ. The electric current densities at P and Q are in the ratio.1:22:11:44:1

Electric current is passing through a solid conductor PQ. The electric current densities at P and Q are in the ratio.

$1 : 2$
$2 : 1$
$1 : 4$
$4 : 1$