456 prompts matching "Thinking a lightning conductor attracts lightning to a house"
Worked example: Energy stored in a charged capacitor
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Practice set: Capacitors in series and in parallel
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WAEC prep: The parallel plate capacitor and the effect of a dielectric
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Spot my mistake: Combining capacitors with the resistor rules
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Real-life Nigeria: Capacitors in fans, inverters and camera flashes
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Exam timing: A timed capacitor problem set
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Let me explain: Resistivity and the factors that determine resistance
I have just studied resistivity and the factors that determine resistance in my SS3 Physic
WAEC prep: Fuses and the rating of household circuits
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on fuses an
Real-life Nigeria: Magnets in loudspeakers and electric generators
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Quiz: Total internal reflection as the basis of the fibre
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Worked example: Photon energy of a laser of stated wavelength
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Practice set: Problems on laser output and photon count
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Physics at work: Laser and photonics work
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WAEC prep: Using dimensions to spot a wrong formula
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Quiz: Newton's third law applied to rocket propulsion
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Quiz: The field pattern of a solenoid and how it resembles a bar magnet
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Let me explain: The right-hand grip rule and what it predicts
I have just studied the right-hand grip rule and what it predicts in my SS3 Physics class.
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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