Physics › Electromagnetism

DC circuits (Ohm's law, series and parallel)High frequency

10-question practice

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Question 1 of 7

A battery is measured twice: with an output current of

0.2\ \mathrm{A}

its terminal voltage is

1.4\ \mathrm{V}

; with

0.6\ \mathrm{A}

it is

1.2\ \mathrm{V}

. By varying the external resistance, the maximum power this battery can deliver to the external circuit is ( ).

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