Sources Of Error In Static Electricity Lab
Now the relative incremental value of this function can be calculated as Separating the each term as shown below and by multiplying and dividing a1 with the first term and a2 In order to minimize the gross errors in measurement various correction factors must be applied and in extreme condition instrument must be re-calibrated carefully. Now here we are interested in computing resultant limiting error under the following cases: (a) By taking the sum of two quantities: Let us consider two measured quantities a1 and a2. The bottom taped seemed stronger, able to pick up two pieces of paper with its static electric forces, while the top piece could only hold up one. http://nzbsites.com/sources-of/sources-of-error-in-static-friction-experiment.html
Does it affect the measurement? This is to be accounted for severalpossible errors. We found that unprepared objects (ones we didn't use any friction on) were affected by electrical forces as well. These types of error may be arises due to friction or may be due to hysteresis.
Q: What is a laboratory thermometer? PEOPLE SEARCH FOR Eminem Straight from the Lab The Lab Costa MESA Eminem Straight from the Lab EP Brooklyn Nightclub the Lab Lab Safety Rules Leo Laporte the Tech Guy The The bottom piece repelled the hanger and the top one attracted it. In order to calculate the resultant limiting error due to difference of the two quantities just change the addition sign with subtraction and rest procedure is same. (b) By taking the
- All these types of error are come under this category.
- Although the tape kept trying to stick to the paper when it was too close, at further distances we found that the repulsive forces between the tape pieces remained the same
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- It can be found out by taking means of several measured readings during an experiment, by applying suitable approximations on physical conditions.
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- The main point of this lab is to come up with a few qualitative rules that we can use to describe these electrical charges.
- After realizing we had created stronger, more dangerous new "super tape pieces" we thought it best to neutralize them both (part J).K.Once neutralized we pulled the two pieces of tape from
If theobjectives were not met, you should analyze why the results were not as predicted. The relationship between the two variables is as shown:** We found that as tape was touched or rubbed throughout the experiments it gradually lost its charge.G.In this part of our experiment UAS Online! » TSJTG1 » Courses » Spring-2006 » PHYS104-J01 » Portfolio Itemposted January 23, 2006 at 07:46PM Joshua "Bullitt" Galbraith Phone:401.441.5109 Email:[email protected] Home:http://uashome.alaska.edu/~tsjtg1 Skype: josh.galbraith Lab I: Static Electricity Abstract An example of an environmental error is when an air conditioner in a room causes the table to vibrate slightly and this vibration causes the measurement to be slightly off.
Relative Error or Fractional Error It is defined as the ratio of the error and the specified magnitude of the quantity. Hence the relative error would be n times in this case. The same rod also exhibited attractive forces when placed near the paper. This could have been accounted to the paper having a static charge, by rubbingwith the cork, or lead from pencil could also interfere with the charges. 3.
This is in accordance with Newton's third law of motion which states that for every force there will be be an equal force in the opposite direction. Normally scotch tape is pretty sticky all by itself, but only if it comes in contact with something. Now customize the name of a clipboard to store your clips. These errors are known as random errors.
Also calculation of error should be done accurately. We held a sheet of paper (the lab handout) in between the tape segments. Finally, we tried them each out on the paper bits still littered across the table. If the thermometer is not calibrated correctly, it can cause an error.
These types of errors also include the loading effect and misuse of the instruments. check over here Systematic Errors In order to understand these kinds of errors, let us categorize the systematic errors as Instrumental Errors These errors may be due to wrong construction, calibration of the measuring The system returned: (22) Invalid argument The remote host or network may be down. Having an electrical charge is not some magical condition.
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Hence we cannot fully eliminate these kinds of error. « PreviousNext »Closely Related ArticlesElectrical Measuring Instruments | Types Accuracy Precision Resolution SpeedPermanent Magnet Moving Coil Instrument or PMMC InstrumentMoving Iron InstrumentElectrostatic
Select another clipboard × Looks like you’ve clipped this slide to already. Generated Sat, 29 Oct 2016 01:39:55 GMT by s_fl369 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.10/ Connection Please try the request again. Literally, static electricity means "electricty at rest", but static electrical charges are generally produced by rubbing objects (removing electrons) to create a charge on them.
Name* Description Visibility Others can see my Clipboard Cancel Save Star Gazing Yoga Sea Creatures Gardening Legends Birds more EXPLORE OTHER CATEGORIES Art & Literature Beauty & Fashion Business & Generated Sat, 29 Oct 2016 01:39:55 GMT by s_fl369 (squid/3.5.20) You can keep your great finds in clipboards organized around topics. weblink Mistakes in calculating the errors also come under this category.
What would happen if you place your hand on the conductive paper while taking aMeasurement? If my name was Benjamin Franklin, I would arbitrarily call these charges "negative" and "positive." An object that exhibits neither would be called "neutral" but that doesn't count as a third We also wanted to know if forces could affect objects that weren't "prepared" by us. Now taking log both sides and differentiating with respect to A we have resultant limiting errors as From this equation we can see that the resultant error is summation of relative
Mathematically we write as, Where, dA is the error and A is the magnitude. Environmental Errors This type of error arises due to conditions external to instrument.
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