438 prompts matching "Efficiency, and why no machine is perfect"
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
Act as my SS3 Physics tutor and quiz me on intrinsic and extrinsic semiconductors. Ask fiv
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
WAEC prep: The p-n junction and the depletion region
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the p-n
Spot my mistake: A circuit drawn with a diode the wrong way round
Act as my SS3 Physics tutor. Show me a worked solution on a circuit drawn with a diode the
Quiz: Uplink and downlink frequencies
Act as my SS3 Physics tutor and quiz me on uplink and downlink frequencies. Ask five quest
Let me explain: Why a geostationary orbit sits above the equator
I have just studied why a geostationary orbit sits above the equator in my SS3 Physics cla
Practice set: Orbital speed and height calculations
Act as my SS3 Physics tutor. Give me five practice questions on orbital speed and height c
WAEC prep: The advantages and limitations of satellite communication
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the adva
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
Act as my SS3 Physics tutor. Show me a full worked example on a mixed calculation spanning
WAEC prep: A half-paper drawn from the magnetic field and a.c. topics
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on a half-p
Exam timing: A timed mixed paper on fields, circuits and quantum topics
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed mi
Quiz: The electron gun and the deflecting plates
Act as my SS3 Physics tutor and quiz me on the electron gun and the deflecting plates. Ask
Worked example: Finding frequency from a trace and the time-base setting
Act as my SS3 Physics tutor. Show me a full worked example on finding frequency from a tra
Quiz: Half-wave and full-wave rectification
Act as my SS3 Physics tutor and quiz me on half-wave and full-wave rectification. Ask five
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