453 prompts matching "Adding vectors as though they were scalars"
Worked example: Thrust from a stated exhaust speed and mass flow rate
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Practice set: Momentum problems for a rocket losing mass
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Quiz: The field pattern of a solenoid and how it resembles a bar magnet
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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.
Worked example: Calculating the flux density at a point near a long straight wire
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Practice set: Flux density inside a solenoid from turns, length and current
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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
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Real-life Nigeria: The magnetic field in an electric bell and a relay
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Exam timing: A timed run of magnetic field calculations
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed ru
Quiz: Fleming's left-hand rule and the direction of force
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Let me explain: The force on a moving charge in a magnetic field
I have just studied the force on a moving charge in a magnetic field in my SS3 Physics cla
Worked example: Calculating the force on a conductor placed at an angle to a field
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Practice set: The torque on a rectangular coil in a uniform field
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WAEC prep: The moving-coil galvanometer and how it is made to read
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the movi
Spot my mistake: A solution using the wrong hand rule for an induced current
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Quiz: Peak value, root-mean-square value and their relationship
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Let me explain: Why a.c. is described by an r.m.s. rather than an average value
I have just studied why a.c. is described by an r.m.s. rather than an average value in my
Worked example: Finding peak voltage from a stated r.m.s. mains value
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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