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i think it's not on the size but rather on the voltage capacity of the battery.. usually bigger batteries have higher voltages that's why we may relate it to their size, but there are some batteries despite being small in size have higher voltages. if we are comparing two batteries of different sizes but with the same voltages, maybe the question is which one will last and would sustain your magnet longer.. but in terms of power, they are the same
No, as in this case,the rod is the magnet,and the strength of a magnet does not depend on its size.
What happens if vary/change the distance between the magnet and the nail/s?
The tighter the coil, the higher the EM field; however, the more surface area of the coil the more EM you will be able to generate. An easy way to under stand this is with the transformer. This device takes one type of energy and converts it to another by use of two coils of different size. A smaller coil with the power souce will transfer power to a larger coil and convert the power to a higher voltage, but at a lower amperage and vice versa. Try looking for books at your local library that deal with electromagnetic coils.
the size of your body
It's directly proportional.
i am pretty sure the size of nail doesn't matter.
Size does not but mass does.
i think it's not on the size but rather on the voltage capacity of the battery.. usually bigger batteries have higher voltages that's why we may relate it to their size, but there are some batteries despite being small in size have higher voltages. if we are comparing two batteries of different sizes but with the same voltages, maybe the question is which one will last and would sustain your magnet longer.. but in terms of power, they are the same
An electromagnet isn't designed to output any temperature. If it does that, then you can be sure that the size of wire from which it's wound is too small to safely carry the current it is carrying.
That's because the strenght of the electromagnet is related to the number of coils then, the more coils gets more strenght because as you add more coils to the electromagnet you have more and more magnetic field. -I hope this answer helps you if you have a question regarding any questions on any subject please fell free to ask. Thank You
NO.it doesnt.
Yes it does!
No, as in this case,the rod is the magnet,and the strength of a magnet does not depend on its size.
No the temperature doesn't the size does.
Either increasing the size of the current (in amps) or the number of turns of wire wrapped around the core will make a stronger magnet. A larger current will make a stronger magnet (up until too much makes the wire melt!). Increasing the voltage forces more current through the electromagnet.
What happens if vary/change the distance between the magnet and the nail/s?