Compared to coffee at room temperature, the molecules of the coffee at 34°C will be moving faster and colliding with one another more frequently.
Answer:
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You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable
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Answer:
Option C
Explanation:
Answer C is the correct option. water can be written as H₂O, which means that there are 2 Hydrogen atoms for every oxygen atom, therefore it will occupy more space than oxygen and push more. there is also one more possibility, if the splitting takes place in Hoffman's Voltameter then the Hydrogen will be close to the cathode as hydrogen is positive. Otherwise, option C is correct answer. Hope this Helps you!
Answer:
Accuracy of measurement = ± 0.19%
Explanation:
For a 8-bit D/A converter,
Accuracy of measurement = 1/2ⁿ = 1/2⁸ = 1/256 = 0.0039 = 0.39% or ± 0.19%
Given that vertical scale is set to 2V/division so the absolute value of the error is 2*0.0019 = ± 3.8 mV
Example:
In a digital oscilloscope, 1 volt/division means that each division on the oscilloscope shows exactly 1 volt, similarly, 0.5 V/division means that each division shows exactly 0.5 volt so 1 V will take 2 divisions hence the signal will appear larger (zoomed in) on the other hand, setting it on 2V/division will make the signal appear smaller (zoomed out).
Note: Volts/division doesn't change the amplitude of the signals, it only makes them appear zoomed in or out so that the required signal can fit on the oscilloscope screen.
