Physics, 24.07.2020 19:01, jesusmejia383
In a potentiometer circuit, a 1m long potentiometer wire PQ of resistance 10ohms is connected in series with a cell of e. m.f 9v ,with internal resistance 3ohms calculate a the pd across PQ b. Calculate the e. m.f of a cell which has a balance point of 75cm
Answers: 2
Physics, 21.06.2019 15:40, xavier0329
Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results
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Physics, 22.06.2019 02:10, allytrujillo20oy0dib
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 08:30, herchellann302
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itβs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
In a potentiometer circuit, a 1m long potentiometer wire PQ of resistance 10ohms is connected in ser...
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