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To charge a battery you have to supply energy. But you never get as much energy from the battery as you use to charge it. Why is this?​

Answer» <html><body><p>As you charge the resistance converts some of your charging <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> to heat. (<a href="https://interviewquestions.tuteehub.com/tag/note-1125278" style="font-weight:bold;" target="_blank" title="Click to know more about NOTE">NOTE</a> that watts = power = energy/time = Joules/sec). <a href="https://interviewquestions.tuteehub.com/tag/say-1195451" style="font-weight:bold;" target="_blank" title="Click to know more about SAY">SAY</a> you're charging a 10V battery at a rate of 100 watts (<a href="https://interviewquestions.tuteehub.com/tag/stored-7260220" style="font-weight:bold;" target="_blank" title="Click to know more about STORED">STORED</a> energy per time). For a <a href="https://interviewquestions.tuteehub.com/tag/perfect-1150611" style="font-weight:bold;" target="_blank" title="Click to know more about PERFECT">PERFECT</a> battery that would require you apply 10V at 10 Amps</p></body></html>


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