Physics, 16.07.2021 21:20 andybiersack154
Because of the internal resistance of a real battery, we know that the potential difference between the terminals:
a. decreases as more current is drawn.
b. increases as more current is drawn.
c. is greater than the emf of the battery
d. increases as the internal resistance increases.
Answers: 2
Physics, 21.06.2019 14:50
Acylindrical specimen of a nickel alloy having an elastic modulus of 207 gpa (30 × 106psi) and an original diameter of 10.2 mm (0.40 in.) experiences only elastic deformation when a tensile load of 8900 n (2000 lbf) is applied. compute the maximum length of the specimen before deformation if the maximum allowable elongation is 0.25 mm (0.010 in.)
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Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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