207 prompts matching "Exam prep: Cosmic microwave background radiation"
Worked example: Calculating the flux density at a point near a long straight wire
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WAEC prep: Magnetic flux and flux linkage in a coil
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Worked example: Calculating the force on a conductor placed at an angle to a 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
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
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Worked example: Impedance of a series RLC circuit from given values
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WAEC prep: Resonance in an RLC circuit and the resonant frequency
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Worked example: The energy of a photon emitted in a stated transition
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WAEC prep: Emission and absorption spectra compared
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Worked example: Einstein's photoelectric equation applied to given data
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WAEC prep: The stopping potential and how it is measured
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Worked example: The de Broglie wavelength of an electron at a stated speed
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WAEC prep: Electron diffraction as evidence for matter waves
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Worked example: Reading a resistor colour code and checking it
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WAEC prep: The p-n junction and the depletion region
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Worked example: The period of a satellite at a stated orbital radius
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WAEC prep: The advantages and limitations of satellite communication
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the adva
Worked example: A mixed calculation spanning fields and circuits
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WAEC prep: A half-paper drawn from the magnetic field and a.c. topics
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on a half-p