Answer the following statement(s) true (T) or false (F)

1. The term motor reaction is used to describe the phenomenon that a current-carrying wire within a magnetic field will move.
2. The term motor effect only applies just to motors.
3. Television picture tubes operate on the motor effect when they develop the picture on the screen.
4. Some inventions of nearly 100 years ago, such as Joseph Henry’s telegraph and Alexander Graham Bell’s telephone, share no common elements with the most sophisticated electronic devices of modern times.
5. One of the first applications of magnetic pull was lifting magnets, which are widely used for the transfer of scrap steel.


1. False
2. False
3. True
4. False
5. True

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