501 prompts matching "The electromagnet and the uses it is put to"
Quiz: Magnetic domains and how magnetisation occurs
Act as my SS3 Physics tutor and quiz me on magnetic domains and how magnetisation occurs.
Quiz: Stimulated emission and population inversion
Act as my SS3 Physics tutor and quiz me on stimulated emission and population inversion. A
Spot my mistake: The subject combinations an engineering course in Nigeria requires
Act as my SS3 Physics tutor. Make a short statement about the subject combinations an engi
Practice set: Flux density inside a solenoid from turns, length and current
Act as my SS3 Physics tutor. Give me five practice questions on flux density inside a sole
Real-life Nigeria: The magnetic field in an electric bell and a relay
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Quiz: Fleming's left-hand rule and the direction of force
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Quiz: Peak value, root-mean-square value and their relationship
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Let me explain: Why a.c. is described by an r.m.s. rather than an average value
I have just studied why a.c. is described by an r.m.s. rather than an average value in my
Quiz: Capacitive reactance and how frequency changes it
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Practice set: Current and voltage in a series RLC circuit
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Real-life Nigeria: Photocells in automatic doors and light meters
Act as my SS3 Physics tutor. Show me where photocells in automatic doors and light meters
Spot my mistake: A calculation using the wrong mass in the de Broglie formula
Act as my SS3 Physics tutor. Show me a worked solution on a calculation using the wrong ma
Quiz: Intrinsic and extrinsic semiconductors
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Practice set: Orbital speed and height calculations
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Spot my mistake: Confusing a geostationary orbit with a polar one
Act as my SS3 Physics tutor. Show me a worked solution on confusing a geostationary orbit
Real-life Nigeria: NigComSat and satellite services in Nigeria
Act as my SS3 Physics tutor. Show me where NigComSat and satellite services in Nigeria tur
Worked example: A mixed calculation spanning fields and circuits
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Quiz: The electron gun and the deflecting plates
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Worked example: Finding frequency from a trace and the time-base setting
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Spot my mistake: A rectifier circuit drawn with a diode reversed
Act as my SS3 Physics tutor. Show me a worked solution on a rectifier circuit drawn with a