the plates of a cell are connected to a 4ohms resistor and a potential difference measured across them using a potentiometer is 1.6V. If the 4ohms resistance is replaced by a 3ohms resistance and the potential difference is 1.5V, find the EMF and internal resistance of the cell.
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Physics, 21.06.2019 22:00, Iron2841
Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 2
Physics, 21.06.2019 22:20, ayoismeisalex
1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?
Answers: 1
Physics, 21.06.2019 22:30, lafuiciosa10
How have the competing explanations' experiments on atoms affected the development of the atomic model?
Answers: 1
the plates of a cell are connected to a 4ohms resistor and a potential difference measured across th...
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