Tila Tequila

PHYSICS Distinction level question. Someone Help me out please?

So I have been doing this practical in lesson.

Here is what I wrote for the Merit part.

I have used the micrometre, rather than the vernier callipers or metre rule to measure the diameter of the wire because the micrometre measures to the nearest 100. It is more accurate and the results then are more reliable.
I have used an ohmmeter in one on my methods. This is because an ohmmeter gives you a quick and easy result in the experiment. It’s very simple to use and clear to read.
In other part of my scientific experiment, I have used an ammeter/milliammeter and voltmeter. An ammeter is very precise. It gives you a more accurate answer so the results become correct. The voltage/ammeter also gives more accurate answers.
The choice of shunts / scales I used was the 1 Volt scale. It is really quick and simple to read and to record the results. This is because there is only one needle which uses the whole scale. .
The ammeter/milliammeter is more suitable than an analogue meter to measure current through the wire in the experiment. This is because there was no parallax error on the digital scale, and on the analogue meter shown this error during the experiment. A parallax error means looking from a different angle.

The QUESTION FOR THE DISTINCTION now:

Evaluate the variables in operation of instruments used and how they could be optimized. ( How they can be used in the most effective way).
For your methods , explain the actions you undertook to ensure accuracy and precision. Your discussion should include both practical steps taken and analytical techniques used and the reason for these actions.

Can Anyone Help me out?

Thank you!

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Thanks!

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A Friend of mine reckons it could be the fuel filter needs replacing but I wonder what others reckon?

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how much would you pay for this.?

i want to sell my wii but im not sure what the price should be.
it includes: the wii with 1 wii remote and nunchuck, a wii remote charger, wii balance board, 3 games: wii fit plus, active 2 and vacation isle beach party.

im wondering how much would you pay for this if it is second hand.

When I try & pass some earth magnets through a looped coil(coil is atached to a battery)…the coil moves but,?

when I move a nail that has a coil of wire wrapped around it & is also attached to a battery, the original looped coil, nothing happens?

Does an electro-magnet(the nail/wire) not have an effect?
what else can I do for this experiment?