501 prompts matching "Let me explain: Kepler's laws of planetary motion"
Worked example: Calculating the flux density at a point near a long straight wire
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Practice set: Flux density inside a solenoid from turns, length and current
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Spot my mistake: A solution that confuses field strength with flux
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Real-life Nigeria: The magnetic field in an electric bell and a relay
Act as my SS3 Physics tutor. Show me where the magnetic field in an electric bell and a re
Worked example: Calculating the force on a conductor placed at an angle to a field
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Practice set: The torque on a rectangular coil in a uniform field
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Spot my mistake: A solution using the wrong hand rule for an induced current
Act as my SS3 Physics tutor. Show me a worked solution on a solution using the wrong hand
Worked example: Finding peak voltage from a stated r.m.s. mains value
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Practice set: A purely resistive a.c. circuit and the phase between V and I
Act as my SS3 Physics tutor. Give me five practice questions on a purely resistive a.c. ci
Spot my mistake: A calculation that uses peak current where r.m.s. was required
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Real-life Nigeria: Why Nigerian mains is quoted as 220 volts
Act as my SS3 Physics tutor. Show me where why Nigerian mains is quoted as 220 volts turns
Practice set: Current and voltage in a series RLC circuit
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Practice set: Energy level diagrams and the transitions on them
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Spot my mistake: A solution that uses the wrong sign for a transition energy
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Real-life Nigeria: The sodium street lamp and the light it emits
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Worked example: Einstein's photoelectric equation applied to given data
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Spot my mistake: A solution that treats light purely as a wave here
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Spot my mistake: A calculation using the wrong mass in the de Broglie formula
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Real-life Nigeria: The electron microscope and why it outresolves a light one
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Physics at work: Wave-particle duality
Act as my SS3 Physics tutor. Explain which Nigerian jobs and industries depend on wave-par