Physics, 26.07.2019 23:30 theh301234
Aclosed box has two metal terminals a and b. the inside of the box contains an unknown emf 8 in series with a resistance r. when a potential difference of 22.0 v is maintained between terminal a and terminal b, there is a current of 1.50 a between the terminals a and b. if this potential difference is reversed, a current of 1.90 a in the reverse direction is observed. find epsilon and r.
Answers: 3
and R are 12.9 ohm and 2.6 V.
...(I)
...(II)
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Aclosed box has two metal terminals a and b. the inside of the box contains an unknown emf 8 in seri...
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