Electrical safety: what should you do to a hot plate before turning it on? more than one answer may be correct. check that the lead does not trail in liquid. check the cable for exposed wires. position in a stable place away from places where it could be knocked over. wipe any oil residues off the hot plate.

Answer and Explanation:

Before turning a hot plate on, one should consider these points:

Check for the leads and ensure they does not trail in liquid.The cable should be checked for any exposed wire before turning on in order to prevent any shock.Any oil residue should be wiped off of the hot plate to ensure its longevity.It should be placed in a stable place in order to ensure safety against any hazard.Thus all the above mentioned points are correct to ensure safety.

The answer is frictional force