250 prompts matching "The transistor as a switch"
Worked example: Calculating the effective resistance of resistors in series
Act as my SS2 Physics tutor. Show me a full worked example on calculating the effective re
Exam prep: The advantages and disadvantages of a series connection
Act as my SS2 Physics teacher setting exam questions. Give me five exam-style questions on
Worked example: Calculating the effective resistance of resistors in parallel
Act as my SS2 Physics tutor. Show me a full worked example on calculating the effective re
Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
Act as my SS2 Physics tutor. Show me a worked solution on inverting the reciprocal wrongly
Quiz: The fuse and how it protects a circuit
Act as my SS2 Physics tutor and quiz me on the fuse and how it protects a circuit. Ask fiv
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
Exam prep: Electrical energy, power and the cost of consumption
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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
Practice set: The factors affecting the size of an induced e.m.f.
Act as my SS2 Physics tutor. Give me five practice questions on the factors affecting the
Exam prep: The a.c. generator and how it works
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Spot my mistake: The d.c. generator and the commutator
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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
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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
Exam prep: The relay and the telephone earpiece
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Spot my mistake: The moving-coil galvanometer
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Physics at work: The loudspeaker, and how it turns current into sound
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on the loud
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