Indicate which of the following will produce a nm All That Apply) magnetic field
ID: 1873807 • Letter: I
Question
Indicate which of the following will produce a nm All That Apply) magnetic field (Mark a) A magnet b) The Earth c) An electric charge at rest. d) A moving electric charge e) An electric current. 1 The voltage of a battery not connected to anything. g) An ordinary piece of iron. h) A piece of any metal. 14 Fred is a lightning bug and has a mass, m, and a charge +q. Jane his lightning bug wife has a mas have charges of opposite sign, they are attracted to each other. Which is attracted more to the other, and by how much? s, 34 m, and a charge-2q. Because they a) Fred, twice as much. b) Jane, twice as much. c) Fred, four times as much. d) Jane, four times as much. e) They are attracted to each other by the same amount.Explanation / Answer
13. A magnet
The Earth
A moving electric charge
An electric current
14. They are attaracted to each other by same amount