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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Equation for charge |
Q= I×t Q is charge (c) I is Amperes (A) t is time (s) |
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Equation for current |
I=◇Q÷t |
Current is the change in charge over time |
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Charge on 1 e- |
1.6×10^-19C |
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Potential difference(Equation) |
Pd=E÷Q Pd is measured in volts(v) E is energy transferred (J) Q is charge (C) |
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Electrical power |
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Resistance |
R=pd÷current R is measured in ohms Pd=v Current =I |
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Magnetic materials |
Iron, nickel, cobalt, steel |
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Permanent magnets |
Magnetically hard materials that retain their magnetism |
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Soft magnets |
Magnetically soft magnets that can lose their magnetism easily |
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Law of magnets |
Like like repel Unlike poles attract Magnetic force goes from N to S |
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Magnetic field |
A volume of space where magnetic force is exerted |
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Uniform magnetic field |
This is where a force is constant over a region. These field lines are all parallel. |
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Induced magnetism |
This can happen when a soft magnetic is placed in a magnetic field and loses its magnetism when removed |
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Right hand grip rule |
The thing is placed in the directions of the current and the direction the other fingers curl around the wire show the direction of the circular magnetic field |
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