VESTIGATION 3: CAN MAGNETIC FORCES ACT ON CHARGES? Maybe explore this question.
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VESTIGATION 3: CAN MAGNETIC FORCES ACT ON CHARGES? Maybe explore this question. magnetic and electrical forces are the same thing, or perhaps they are some way. We now know that a magnet exerts a force on another ut can it exert a force on electric charges? In this investigation you will Prediction 3-1: In Lab 1, you saw that static electric charges can be placed on pieces of Scotch Magic tape by first sticking the tape to a tabletop or on top of another piece of tape, and then pulling it off. What effect do you think a magnet will have on a charged piece of Scotch tape with a net positive or net negative charge? Describe what you think will happen if a magnet is brought near a charged piece of tape. To test your prediction, you will need 2 10-cm-long Scotch MagicO tape pieces rod-shaped magnet (with labeled poles) e non-magnetic (aluminum) conducting rod the same size as the magnet Activity 3-1: The Magnetic Force Exerted on Static Charges Charged Scotch Magic© Tape 1. Test to see if there is any force on the electrically charged tape from either pole of your magnet. Do the same test with a non-magnetic conducting rod Question 3-1: Summarize your findings. Question 3-2: If the charged tape is attracted to bot magnetic rod in the same way, can you conclude that there is an action or force between either of the magnetic poles and the tape? h the magnetic and the non- Question 3-3: Are magnetic attractions evidence for your answer the same as electrostatic attractions? CiteExplanation / Answer
Answer 1 )
Magnet exerts force on electric charge.
Moving charges creatsmagnetic field around it.
Electric charges will follow circular path in the magnetic field.
F= q x vB
where, F= Lorentz force, q= charge, v= velocity and B= magnetic field
Answer 2)
There is a force of attraction between two opposite charges. Positive charge may get attrcted towards negative charge and vice-versa. In the presence of magnectic field the moving chrges may feel the force because of the magnetic field. for the non-magnetic conducting rod, there may be some opposite charges are present that may attract the charges on the tape.
Answer 3)
The electrostatic forces refer to the forces between charges which are not moving relative to each other whereas, electromagnetic force refers to electrostatic forces as well as other forces between charges and magnetic fields where they may be moving relative to each other.
Answer 4)
It is universally accepted that charge on the electron is negative. There may be anti-electron, called it as positron which carries positive charge (i.e. anti negative)
In the above mentioned digram, the electron in the oscilloscope will move from left to right.
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