1
Q
What has produced the strongest magnetic field?
A
An MRI scanner
2
Q
When did Hans Christian Oersted discover there is a magnetic field around a current flowing through a wire?
A
1820
3
Q
How can the current in the wire affect magnetic flux density?
A
The magnitude of the current
Distance from wire
4
Q
What is magnetic flux density measured in?
A
Tesla’s
5
Q
What is the strength of the Earth’s magnetic field?
A
0.01mT
6
Q
How does a solenoid or coil increase the magnetic flux density?
A
It increases the magnitude of the current and creates multiple magnetic fields which add together
!P1 - P4
flashcards
Decks in class (49)
# Cards
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P1.1.1 - The Model Of The Atom 113
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P4.2.3 - Electromagnetic Induction0
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P4.1.1 - Magnets And Magnetic Field8
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P3.2.7 - Sensing Circuits2
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P3.2.6 - Net Resistance And Circuit Calculations3
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P4.2.1 - Currents And Forces4
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P3.2.8 - Electric Power2
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P4.1.2 - Currents And Fields6
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P3.2.5 - LDRs and Thermistors7
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P3.2.4 - Graphs Of p.d. And Current11
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P4.2.2 - Motors4
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P3.2.3 - Resistance5
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P3.2.2 - Series and Parallel Circuits5
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P3.2.1 - Circuits And Potential Difference8
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P3.1.2 - Electric Current6
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P3.1.1 - Electrostatics10
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C2.3.6 - Hydraulics5
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P2.3.5 - Simple Machines8
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P2.3.4 - Turning Forces4
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P2.3.3 - Gravitational Field And Potential Energy13
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P2.3.2 - Stretching Materials And Storing Energy3
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P2.3.1 - Stretching Springs10
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P2.2.7 - Work And Power5
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P2.2.6 - Momentum7
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P2.2.5 - Everyday Forces And Their Effects4
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P2.2.4 - Newton's Second Law4
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P2.2.3 - Newton's First Law4
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P1.3.5 - Floating and Sinking6
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P1.3.4 - Liquid Pressure6
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P1.3.3 - Atmospheric Pressure8
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P1.3.2 - Pressure And Volume4
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P2.2.2 - Free Body Diagrams8
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P2.2.1 - Forces And Interactions8
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P1.1.2 - The Model Of The Atom 218
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P1.2.1 - Density6
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P1.2.2 - Energy and Temperature10
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P1.2.3 - Specific Heat Capacity10
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P1.2.4 - Specific Latent Heat8
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P2.1.1 - Distance, Time And Speed10
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P2.1.2 - Vectors And Scalars10
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P2.1.3 - Acceleration6
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P2.1.4 - Distance-Time Graphs8
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P2.1.5 - Velocity-Time Graph6
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P2.1.6 - Equation Of Motion And Kinetic Energy11
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P1.3.1 - Gas Pressure and Temperature14
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P4.2.3 - Electromagnetic Induction4
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P4.2.4 - Generators8
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P4.2.5 - Transformers7
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P4.2.6 - Microphones and Loudspeakers3
