Select the two options that best completes the following sentence.  Temporary magnets:only stay magnetized when inside another magnetic fieldare magnetized all of the timedo not have magnetic domainshave magnetic domains that easily shift to face different directionsI'm not sure

Select the option that best completes the following sentence. A magnetic material will become magnetized if:it is placed next to a compassits magnetic domains all face different directionsmost of its magnetic domains face the same directionit is placed next to a piece of iron

Determine which two of the following objects could not easily be turned into a magnet. A nickel coinA stainless steel spoonA piece of plasticAn aluminium drink canI'm not sure

Which of the following statements about permanent magnets is incorrect?They produce their own magnetic fields and always have a north pole and a south poleThe force between two permanent magnets will increase when they are brought closer to one anotherThey can be attracted to or repelled by other permanent magnetsUnder certain circumstances, they will only be attracted to other permanent magnets5An iron nail is initially unmagnetised.  Which one of the following things will occur when it is brought closer to the north pole of a permanent bar magnet?Nothing will happen since the iron nail is not a permanent magnetThe iron nail will be repelled by the bar magnetThe iron nail will be permanently magnetisedThe end of the nail which is placed closest to the north pole of the bar magnet will become an induced south pole

Determine which two of the following objects could not easily be turned into a magnet. A nickel coinA stainless steel spoonA piece of plasticPlastic is not a magnetic material. Therefore it cannot be magnetized under normal conditions.An aluminium drink can

A conducting ring having mass kg, radius and resistance is placed on a frictionless horizontal surface. A time varying magnetic field is present in the region, where t is time in seconds and is vertical. (Take ). Then choose the correct option(s).