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The IAL Physics U4
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Max energy of capacitor from capacitance and voltage
E = ½CV²
How to find direction of magnetic force, flux density, current
Left hand rule: F B I
List all four suvat equations
v = u + at 2. s = ut + ½at² 3. v² = u² + 2as 4. s = vt - ½at²
Find force between charged particles with distance
F = kQq/r²
Explain Lenz’s law
Direction of induced current is such that it opposes the change in magnetic flux that produced it
Find total voltage of electron accelerator/CRT from de Broglie wavelength
λ = h/f; E = ½pv; V = W/Q