438 prompts matching "Efficiency, and why no machine is perfect"
Teach me: Base quantities and their dimensions
You are my personal SS3 Physics tutor. Teach me base quantities and their dimensions, usin
Exam timing: A timed dimensional analysis set
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed di
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
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.
WAEC prep: Magnetic flux and flux linkage in a coil
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on magnetic
Spot my mistake: A solution that confuses field strength with flux
Act as my SS3 Physics tutor. Show me a worked solution on a solution that confuses field s
Real-life Nigeria: The magnetic field in an electric bell and a relay
Act as my SS3 Physics tutor. Show me where the magnetic field in an electric bell and a re
Quiz: Fleming's left-hand rule and the direction of force
Act as my SS3 Physics tutor and quiz me on Fleming's left-hand rule and the direction of f
Quiz: Peak value, root-mean-square value and their relationship
Act as my SS3 Physics tutor and quiz me on peak value, root-mean-square value and their re
WAEC prep: Reading period and frequency from an a.c. waveform
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on reading
Spot my mistake: A calculation that uses peak current where r.m.s. was required
Act as my SS3 Physics tutor. Show me a worked solution on a calculation that uses peak cur
Quiz: Capacitive reactance and how frequency changes it
Act as my SS3 Physics tutor and quiz me on capacitive reactance and how frequency changes
Let me explain: Phase relationships in an inductor and in a capacitor
I have just studied phase relationships in an inductor and in a capacitor in my SS3 Physic
Practice set: Current and voltage in a series RLC circuit
Act as my SS3 Physics tutor. Give me five practice questions on current and voltage in a s
WAEC prep: Resonance in an RLC circuit and the resonant frequency
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on resonanc
Practice set: Energy level diagrams and the transitions on them
Act as my SS3 Physics tutor. Give me five practice questions on energy level diagrams and
Spot my mistake: A solution that uses the wrong sign for a transition energy
Act as my SS3 Physics tutor. Show me a worked solution on a solution that uses the wrong s
Real-life Nigeria: The sodium street lamp and the light it emits
Act as my SS3 Physics tutor. Show me where the sodium street lamp and the light it emits t
Quiz: Threshold frequency and work function
Act as my SS3 Physics tutor and quiz me on threshold frequency and work function. Ask five
Spot my mistake: A solution that treats light purely as a wave here
Act as my SS3 Physics tutor. Show me a worked solution on a solution that treats light pur