459 prompts matching "Quiz: Magnetic field lines and their properties"
Worked example: Turns ratio and output voltage of a transformer
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Spot my mistake: Choosing a hard magnetic material for a transformer core
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Exam timing: A timed magnetic materials set
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Quiz: Conduction through a gas at reduced pressure
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Quiz: Total internal reflection as the basis of the fibre
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Physics at work: Laser and photonics work
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Quiz: Deriving the dimensions of a compound quantity
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Physics at work: Engineering calculation and quality control
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Quiz: Newton's third law applied to rocket propulsion
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Worked example: Thrust from a stated exhaust speed and mass flow rate
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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.
Practice set: Flux density inside a solenoid from turns, length and current
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WAEC prep: The moving-coil galvanometer and how it is made to read
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Spot my mistake: A solution using the wrong hand rule for an induced current
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Teach me: Alternating current and how it differs from direct current
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Practice set: A purely resistive a.c. circuit and the phase between V and I
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WAEC prep: Reading period and frequency from an a.c. waveform
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Teach me: Inductive reactance and what it depends on
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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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