Physics ATP disussion

[thementor]

I have to agree!
and thought Physics my ATP went great!
I lost two marks in one go. Anyhoo, I'm not all tears-and-cries over it. Just quite depressed over letting my handwork go wasted over a petty technical thing like that. Wish u the best grade tho!

thanks.....and no worries if you lost 2 marks.....you can easily make up in P2 and P1...I knw hw u feel...just a single mistake makes me cry
and good luck to you too

 

[abd1336480007]

no this wnt be acepted

the point is that you measure emf by having voltmeter in series and not parallel , . check the buks/net!

 

[thementor]

u

the point is that you measure emf by having voltmeter in series and not parallel , . check the buks/net!

dude voltmeters are always in parallel
The voltmeter has infinite resistance and so if it is placed in series it will use all the current going through it.
however it is place in parallel because it measures the potential difference between two points, thus by using all the current that passes through its loop it can give the correct value

 

[thementor]

Her

the point is that you measure emf by having voltmeter in series and not parallel , . check the buks/net!

I am wrting an excerpt from the book that I studied. IT WAS WRITTEN BY CAMBRIDGE:
"A voltmeter is always connected ACROSS the relevant component in a circuit, because it is measuring the potential difference between two ends of the component"
The word ACROSS means IN PARALLEL

 

[thementor]

the point is that you measure emf by having voltmeter in series and not parallel , . check the buks/net!

u said the net right here
http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/volmet.html
read the line in the second paragraph: A voltmeter is placed in parallel with a circuit element

 

[ritx]

Her
I am wrting an excerpt from the book that I studied. IT WAS WRITTEN BY CAMBRIDGE:
"A voltmeter is always connected ACROSS the relevant component in a circuit, because it is measuring the potential difference between two ends of the component"
The word ACROSS means IN PARALLEL

There's no need for such extensive explanations. All of us are pretty much confirm that VOLTMETERS are always connected across the component. In other words, in a parallel setup. This fact is like one of the BASICS of electrical physics. phew!

 

[thementor]

I

There's no need for such extensive explanations. All of us are pretty much confirm that VOLTMETERS are always connected across the component. In other words, in a parallel setup. This fact is like one of the BASICS of electrical physics. phew!

I knw...but wat he said...was gonna blow my mind into pieces....

 

[abd1336480007]

apologies didnt meant anythng any negtv bt that was wt my olevel physics buk mentiönd.apologies!

 

[thementor]

apologies didnt meant anythng any negtv bt that was wt my olevel physics buk mentiönd.apologies!

no wrries....remember this new point budd

 

[zaccy zac]

The examiner will deduct mark when the anser of a 1 mark question is given after cutting the previous answer?

 

[Saad Mughal]

The examiner will deduct mark when the anser of a 1 mark question is given after cutting the previous answer?

No, he will mark if you wrote the correct answer.

 

[zaccy zac]

No, he will mark if you wrote the correct answer.

Thanks bro!
Made me really happy!

 

[muhammadali233]

incorrect polarities....it means that the positive terminal of the cell was not connected to the positive terminal of the voltmeter and vice versa...

hello! slight difference not huge difference !!!!!!!!

 

[Abdul Hanan]

can the answer of different readings on ammeters be "the ammeters may have slight zero errors i.e the needles of ammeters pointed a little before or ahead of zero leading to slight differences in reading" ?????

 

[muhammadali233]

can the answer of different readings on ammeters be "the ammeters may have slight zero errors i.e the needles of ammeters pointed a little before or ahead of zero leading to slight differences in reading" ?????

you got a point
i did this wrong by saying the needles have a little resistance/friction so,a slight difference