438 prompts matching "Efficiency, and why no machine is perfect"
Spot my mistake: An echo calculation that forgets the return journey
Act as my SS3 Physics tutor. Show me a worked solution on an echo calculation that forgets
Quiz: Coulomb's law and the force between charges
Act as my SS3 Physics tutor and quiz me on Coulomb's law and the force between charges. As
Let me explain: Capacitance and what determines it
I have just studied capacitance and what determines it in my SS3 Physics class. Let me exp
Practice set: Capacitors in series and in parallel
Act as my SS3 Physics tutor. Give me five practice questions on capacitors in series and i
WAEC prep: The parallel plate capacitor and the effect of a dielectric
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the para
Real-life Nigeria: Capacitors in fans, inverters and camera flashes
Act as my SS3 Physics tutor. Show me where capacitors in fans, inverters and camera flashe
WAEC prep: The potentiometer and the metre bridge
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the pote
Quiz: The kilowatt-hour and reading a meter
Act as my SS3 Physics tutor and quiz me on the kilowatt-hour and reading a meter. Ask five
Practice set: Power and energy problems across appliances
Act as my SS3 Physics tutor. Give me five practice questions on power and energy problems
WAEC prep: Fuses and the rating of household circuits
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on fuses an
Spot my mistake: An energy bill calculation left in watt-seconds
Act as my SS3 Physics tutor. Show me a worked solution on an energy bill calculation left
Exam timing: A timed energy and power problem set
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed en
Quiz: Electrolytes, electrodes and the products at each
Act as my SS3 Physics tutor and quiz me on electrolytes, electrodes and the products at ea
Let me explain: Faraday's laws of electrolysis
I have just studied Faraday's laws of electrolysis in my SS3 Physics class. Let me explain
Worked example: The mass deposited from a stated current and time
Act as my SS3 Physics tutor. Show me a full worked example on the mass deposited from a st
WAEC prep: Electroplating and the purification of copper
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on electrop
Spot my mistake: A Faraday calculation with the wrong valency
Act as my SS3 Physics tutor. Show me a worked solution on a Faraday calculation with the w
Quiz: Lenz's law and the direction of induced current
Act as my SS3 Physics tutor and quiz me on Lenz's law and the direction of induced current
Let me explain: Self and mutual inductance
I have just studied self and mutual inductance in my SS3 Physics class. Let me explain it
Worked example: Turns ratio and output voltage of a transformer
Act as my SS3 Physics tutor. Show me a full worked example on turns ratio and output volta