480 prompts matching "Exam prep: Lightning, and how a lightning conductor protects a building"
WAEC prep: Determining specific heat capacity experimentally
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on determin
WAEC prep: Dispersion of white light through a prism
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on dispersi
Practice set: Induced e.m.f. problems for moving conductors
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Teach me: How light travels along an optical fibre
You are my personal SS3 Physics tutor. Teach me how light travels along an optical fibre,
WAEC prep: The advantages of fibre over copper cable
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the adva
WAEC prep: Using dimensions to spot a wrong formula
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on using di
Teach me: How a rocket accelerates by expelling mass
You are my personal SS3 Physics tutor. Teach me how a rocket accelerates by expelling mass
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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Real-life Nigeria: The magnetic field in an electric bell and a relay
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Exam timing: A timed run of magnetic field calculations
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Spot my mistake: A solution using the wrong hand rule for an induced current
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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
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Teach me: Inductive reactance and what it depends on
You are my personal SS3 Physics tutor. Teach me inductive reactance and what it depends on
Worked example: Impedance of a series RLC circuit from given values
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Practice set: Current and voltage in a series RLC circuit
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Spot my mistake: Adding resistance and reactance arithmetically instead of vectorially
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Exam timing: A timed set of a.c. circuit calculations
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Worked example: The energy of a photon emitted in a stated transition
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