Asst 3 prac (1 Viewer)

[asianese]

I have no idea how to study for this prac. Any pointers of things I may need to look out for?

'In your studies of M&G...demonstrate the motor effect, and predict the effects of various factors on generated electric current, both DC and AC...You will be expected to...experiments conducted for the investigation of factors including generated current'

And I think that refers to 'perform a first-hand investigation to demonstrate the motor effect' and 'perform an investigation to model the generation of electric current by moving a magnet in a coil or a coil near a magnet' and 'plan, choose...distance...strength...relative motion'

and

'In your studies of Ideas To Implementation...occurrence of different striation patterns for different pressures in discharge tubes and performed an investigation to demonstrate and identify properties of cathode rays using various discharge tubes'

which refers to 'perform...occurrence of different striation patterns for different pressures in discharge tubes' and 'perform...maltese cross, electric plates, fluorescent display...glass wheel, sign of the charge on cathode rays'

Weighting 15% - 7 M&G, 8 IDtoImp.

Thanks!!

 

[SpiralFlex]

I have no idea how to study for this prac. Any pointers of things I may need to look out for?

'In your studies of M&G...demonstrate the motor effect, and predict the effects of various factors on generated electric current, both DC and AC...You will be expected to...experiments conducted for the investigation of factors including generated current'

And I think that refers to 'perform a first-hand investigation to demonstrate the motor effect' and 'perform an investigation to model the generation of electric current by moving a magnet in a coil or a coil near a magnet' and 'plan, choose...distance...strength...relative motion'

and

'In your studies of Ideas To Implementation...occurrence of different striation patterns for different pressures in discharge tubes and performed an investigation to demonstrate and identify properties of cathode rays using various discharge tubes'

which refers to 'perform...occurrence of different striation patterns for different pressures in discharge tubes' and 'perform...maltese cross, electric plates, fluorescent display...glass wheel, sign of the charge on cathode rays'

Weighting 15% - 7 M&G, 8 IDtoImp.

Thanks!!

[HR][/HR]

Here are my tips, they may or may not work. (But certainly worked for me)

From what I have seen friend's practical and advice from other teachers, school's can only really do similar practicals each year. So make sure you ask past student's what practicals they did last year.

Solid foundation: What I found helpful was a solid ground on practicals, by this I mean having a really really strong knowledge background will greatly aid you in applying your knowledge physically. I stress, YOU MUST KNOW THE THEORY BACK TO FRONT TO SCORE HIGH MARKS

Basic errors: What cost me full marks was basic errors such as "not ruling lines for tables", this may sound obvious but a lot of people paniced and forgot to do it. Also, you must CONSULT you teacher about the "small things". By this I mean, your teacher's preference on how you should go about graphing, should extrapolation occur at certain situations? Should you dot or cross your graph? Also please please please please, Numerical value + Units + Direction. I know this may seem obvious, but when you are in exam mode, you tend to shift your focus away from these things.

Knowledge of the equipment: I suggest you brainstorm some relevant equipment that may be possibly used in the practical and research about it! Not only that, you may want to ask your teacher if you can book a lab and do some of your own practical work inside!

Assess Accuracy, Reliability, Validity

Here are some useful links:

http://forum.sigilearners.com.au/viewtopic.php?f=4&t=129

[HR][/HR]

If your practical consists of a series of questions then you might want to practice answering questions from past papers and getting them marked.

Now onto the good stuff.

For Motors and Generators my best bet is what you have mentioned just then.

For the demonstration of the motor effect I would advise you study the major components (but essentially, you should know everything)

[hr][/hr]
The practical dot points for this module are:
[hr][/hr]

Dot point [hr][/hr]	What Spiral thinks [hr][/hr]
Discuss the effect on the magnitude of the force on a current-carrying conductor of variations in: · the strength of the magnetic field in which it is located. · the magnitude of the current in the conductor · the length of the conductor in the external magnetic field · the angle between the direction of the external magnetic field and the direction of the length of the conductor [hr][/hr]	A common practical experience is to use an aluminum foil or some other current-carrying, running a current through it and observing the motor effect. However I deem this to be too simple and I would say they won't ask you to do something like this.

*Editing* I will finish this tomorrow on the train. Sorry.

Remember they can ask you anything inside the syllabus. They can never ask something you have never been before. However, you might not have seen the experiment (but the knowledge and skills you need to do the prac will be familiar to you)

 

[asianese]

Once again, you legend Spiral. I thank you immensely in advance.

 

[SpiralFlex]

Do you need it ASAP? If you do, I can stay up. If not I will sleep!

 

[asianese]

NO!! I hope you didn't!! It's next week...omg please say no I'll feel guilty...