1
Q
How can you increase the strength of a magnetic field produced by a length of wire?
A
By wrapping it into a long coil with lots of loops, called a solenoid
Physics
flashcards
Decks in class (14)
# Cards
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Section 17 - Motion, forces and conservation of energy - Motion, forces, momentum and Newton's Laws27
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Section 17 - Motion, forces and conservation of energy - Energy stores, transfers, efficiency and resources12
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Section 18 - Waves and the electromagnetic spectrum - Waves, boundaries and refraction17
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Section 18 - Waves and the electromagnetic spectrum - EM waves and uses20
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Section 19 - Radioactivity - Model of atom and electron energy levels0
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Section 19 - Radioactivity - Isotopes, nuclear radiation, half-life, background radiation and contamination21
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Section 20 - Forces and energy - Energy transfers, systems, work done, power and force17
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Section 21 - Electricity and circuits - Current, potential difference, resistance, components and circuit devices17
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Section 21 - Electricity and circuits - Series and parallel circuits, energy and power13
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Section 21 - Electricity and circuits - a.c. and d.c., electricity in homes, fuses and earthing18
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Section 22 - Magnetic fields - Permanent and induced magnets, magnetic fields, electromagnetism and the Motor Effect (Not finished)13
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Section 22 - Magnetic fields -1
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Section 22 - Magnetic fields -0
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Section 23 - Matter -0
