501 prompts matching "Exam prep: Representing a wave on a displacement-distance graph"
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
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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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
Practice set: A purely resistive a.c. circuit and the phase between V and I
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Real-life Nigeria: Why Nigerian mains is quoted as 220 volts
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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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Spot my mistake: Adding resistance and reactance arithmetically instead of vectorially
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Real-life Nigeria: The sodium street lamp and the light it emits
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Real-life Nigeria: Photocells in automatic doors and light meters
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Let me explain: N-type and p-type doping
I have just studied n-type and p-type doping in my SS3 Physics class. Let me explain it ba
Quiz: Uplink and downlink frequencies
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Real-life Nigeria: NigComSat and satellite services in Nigeria
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Quiz: Rapid recall across a.c. circuits
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Real-life Nigeria: Where this term's physics shows up in Nigerian technology
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Let me explain: How the time base produces a trace
I have just studied how the time base produces a trace in my SS3 Physics class. Let me exp
Practice set: Reading peak voltage from a CRO screen
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Let me explain: The transistor as a current amplifier
I have just studied the transistor as a current amplifier in my SS3 Physics class. Let me
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