8.0. Read the full review â. The 2014 Edition Samsung Galaxy Note 10.1 is a top tablet pick if you're in the market for a mobile OS tablet rather than a Windows tablet. In fact, it's the cream of the Android crop too, but you'll pay the price since it's one of the most expensive.
4. Now you have an ELECTROMAGNET! Put the point of the nail near a few paper clips and it should pick them up! NOTE: Making an electromagnet uses up the battery somewhat quickly which is why the battery may get warm, so disconnect the wires when you are done exploring.
Answer you can increase the strength of an electromagnet by:   1) Increasing the current flow   2) Increasing the number of coils   3) Passing an 'iron core' throug â¦ h the coil of the  electromagnet . 34 people found this useful. Al Cohen. 126,009 Contributions.