501 prompts matching "The factors affecting the size of an induced e.m.f."
Teach me: Faraday's law of electromagnetic induction
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Practice set: Induced e.m.f. problems for moving conductors
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Teach me: Conduction of electricity through a liquid
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Worked example: Photon energy of a laser of stated wavelength
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Exam timing: A timed dimensional analysis set
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Teach me: The magnetic field around a straight current-carrying conductor
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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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WAEC prep: Magnetic flux and flux linkage in a coil
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Teach me: Alternating current and how it differs from direct current
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WAEC prep: Reading period and frequency from an a.c. waveform
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on reading
Real-life Nigeria: Why Nigerian mains is quoted as 220 volts
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Teach me: Inductive reactance and what it depends on
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Quiz: Capacitive reactance and how frequency changes it
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Let me explain: Phase relationships in an inductor and in a capacitor
I have just studied phase relationships in an inductor and in a capacitor in my SS3 Physic
Practice set: Current and voltage in a series RLC circuit
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Quiz: Ground state, excited state and ionisation
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Let me explain: How an electron transition produces a spectral line
I have just studied how an electron transition produces a spectral line in my SS3 Physics
WAEC prep: Emission and absorption spectra compared
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on emission
Quiz: Threshold frequency and work function
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