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   "source": [
    "# Chapter 12 : Batteries"
   ]
  },
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   "metadata": {},
   "source": [
    "## Example No. 12_1 Page No.  368"
   ]
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     "text": [
      "The Resistance ri = 10 Ohms\n"
     ]
    }
   ],
   "source": [
    "# Calculate ri if the output of a generator drops from 100 V with zero load current to 80 V when Il is 2 A.\n",
    "\n",
    "# Given data\n",
    "\n",
    "Vo0 = 100#      # Vo at zero load current=100 Volts\n",
    "Vo1 = 80#       # Vo at 2 A load current=80 Volts\n",
    "Il = 2#         # Load current=2 Amps\n",
    "\n",
    "Ri = (Vo0-Vo1)/Il#\n",
    "print 'The Resistance ri = %0.f Ohms'%Ri"
   ]
  }
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