Question: Consider a new D cell battery and an old one that has been used for a while. When tested with a voltmeter, both batteries produce

Consider a new "D" cell battery and an "old" one that has been used for a while. When tested with a voltmeter, both batteries produce a reading of 1.5 volts. However, when used to light a light bulb, the bulb glows brighter with the new battery than with the old one. In one sentence, explain these observations in terms of ideal voltage and internal resistance

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