438 prompts matching "Efficiency, and why no machine is perfect"
Real-life Nigeria: Rectifiers in phone chargers and inverters
Act as my SS3 Physics tutor. Show me where rectifiers in phone chargers and inverters turn
Spot my mistake: A truth table filled in for the wrong gate
Act as my SS3 Physics tutor. Show me a worked solution on a truth table filled in for the
Real-life Nigeria: Logic gates inside a calculator and a digital meter
Act as my SS3 Physics tutor. Show me where logic gates inside a calculator and a digital m
Let me explain: How electrons are accelerated and focused in a tube
I have just studied how electrons are accelerated and focused in a tube in my SS3 Physics
WAEC prep: The deflection of an electron beam by electric and magnetic fields
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the defl
Real-life Nigeria: The cathode ray tube in older television sets
Act as my SS3 Physics tutor. Show me where the cathode ray tube in older television sets t
Quiz: Nuclear fusion and the conditions it demands
Act as my SS3 Physics tutor and quiz me on nuclear fusion and the conditions it demands. A
Let me explain: Mass defect and binding energy
I have just studied mass defect and binding energy in my SS3 Physics class. Let me explain
Real-life Nigeria: Nuclear power and the debate about it in Nigeria
Act as my SS3 Physics tutor. Show me where nuclear power and the debate about it in Nigeri
Let me explain: Hard and soft X-rays and what determines each
I have just studied hard and soft X-rays and what determines each in my SS3 Physics class.
Practice set: X-ray intensity and penetrating power problems
Act as my SS3 Physics tutor. Give me five practice questions on X-ray intensity and penetr
WAEC prep: The uses and dangers of X-rays
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the uses
Spot my mistake: Confusing X-ray intensity with X-ray quality
Act as my SS3 Physics tutor. Show me a worked solution on confusing X-ray intensity with X
Real-life Nigeria: X-rays in Nigerian hospitals and airport security
Act as my SS3 Physics tutor. Show me where X-rays in Nigerian hospitals and airport securi
Quiz: Recall of reactance and impedance formulae
Act as my SS3 Physics tutor and quiz me on recall of reactance and impedance formulae. Ask
Spot my mistake: The commonest slips in a.c. arithmetic
Act as my SS3 Physics tutor. Show me a worked solution on the commonest slips in a.c. arit
Let me explain: Series and parallel wiring on a breadboard
I have just studied series and parallel wiring on a breadboard in my SS3 Physics class. Le
Spot my mistake: A wiring error that shorts a component
Act as my SS3 Physics tutor. Show me a worked solution on a wiring error that shorts a com
Quiz: Solar, wind and hydro as renewable sources
Act as my SS3 Physics tutor and quiz me on solar, wind and hydro as renewable sources. Ask
WAEC prep: The advantages and drawbacks of each source
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the adva