with a resistor of 3 ohm connected across the terminals of a battery the terminal potential difference was found to be 9 v . when the resistance was changed to 4 ohm, the terminal potential difference increased to 10 V . determine emf and the internal resistance of the battery.
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3
Answer:
Answer is
Explanation:
10+9=19
4+3=7
19-7=12
Answered by
0
Answer:
19 17 and 20
hope its helpfull
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