250 prompts matching "Forgetting to convert units before an expansivity calculation"
Spot my mistake: Adding resistances wrongly in a series problem
Act as my SS2 Physics tutor. Show me a worked solution on adding resistances wrongly in a
Practice set: Solving a parallel circuit problem from end to end
Act as my SS2 Physics tutor. Give me five practice questions on solving a parallel circuit
Let me explain: Earthing, and why an appliance is earthed
I have just studied earthing, and why an appliance is earthed in my SS2 Physics class. Let
Worked example: Choosing the right fuse rating for an appliance
Act as my SS2 Physics tutor. Show me a full worked example on choosing the right fuse rati
Practice set: The circuit breaker and how it works
Act as my SS2 Physics tutor. Give me five practice questions on the circuit breaker and ho
Spot my mistake: Overloading a socket, and what follows from it
Act as my SS2 Physics tutor. Show me a worked solution on overloading a socket, and what f
Let me explain: Lenz's law and the direction of an induced current
I have just studied Lenz's law and the direction of an induced current in my SS2 Physics c
Worked example: Calculating an induced electromotive force
Act as my SS2 Physics tutor. Show me a full worked example on calculating an induced elect
Let me explain: The field pattern around a straight wire and around a coil
I have just studied the field pattern around a straight wire and around a coil in my SS2 P
Worked example: The strength of an electromagnet and what affects it
Act as my SS2 Physics tutor. Show me a full worked example on the strength of an electroma
Practice set: The electric bell and how it operates
Act as my SS2 Physics tutor. Give me five practice questions on the electric bell and how
Spot my mistake: The moving-coil galvanometer
Act as my SS2 Physics tutor. Show me a worked solution on the moving-coil galvanometer wit
Let me explain: Series and parallel circuits reviewed
I have just studied series and parallel circuits reviewed in my SS2 Physics class. Let me
Worked example: Electrical safety and the cost of energy reviewed
Act as my SS2 Physics tutor. Show me a full worked example on electrical safety and the co
Worked example: Calculating the force on a current-carrying conductor
Act as my SS2 Physics tutor. Show me a full worked example on calculating the force on a c
Practice set: The force between two parallel current-carrying conductors
Act as my SS2 Physics tutor. Give me five practice questions on the force between two para
Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
Act as my SS2 Physics tutor. Show me a worked solution on confusing Fleming's left-hand ru
Let me explain: Step-up and step-down transformers
I have just studied step-up and step-down transformers in my SS2 Physics class. Let me exp
Practice set: The efficiency of a transformer
Act as my SS2 Physics tutor. Give me five practice questions on the efficiency of a transf
Spot my mistake: Assuming a transformer can work on direct current
Act as my SS2 Physics tutor. Show me a worked solution on assuming a transformer can work