physics
posted by crystal .
A rectangular piece of gold is 2.6 cm long and 3.9 cm wide.The piece displays a resistance of 1.47 ìÙ when a current flows along the depthdirection.
In cm, how deep is the piece?

if a clinician changes the transmit power from 100 m watts to 1 m watt by how much has the transmit power changed
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