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FRHR Dab
Fleming's Right-Hand Rule is another useful rule for understanding electromagnetic induction. This rule helps us determine the direction...
Evan Toh
Nov 14, 20241 min read
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Evan Toh
Nov 4, 20241 min read
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How induced current is produced when magnet is inserted into a solenoid
According to Fraraday's Law, the magnitude of the induced emg, hence induced current, is directly proportional to the rate of change of...
Evan Toh
Nov 4, 20241 min read
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2016PPP1Q40 – Voltage and Power of Bulb Y when X is switched off - 2013PPP1Q40 heaters
2016PPP1Q40 Solutions: Option C [There is another similar question in 2013 Nov Pure Physics P1Q40. The answer is Option C too. Refer to...
Evan Toh
Oct 22, 20241 min read
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Understanding cathode-ray oscilloscope CRO
Refer to the notes below together with the video to learn more about the CRO Videos
Evan Toh
Jan 1, 20241 min read
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Evan Toh
Dec 31, 20230 min read
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Evan Toh
Dec 31, 20230 min read
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Evan Toh
Dec 31, 20230 min read
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Evan Toh
Nov 30, 20230 min read
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Evan Toh
Nov 30, 20230 min read
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Evan Toh
Nov 30, 20230 min read
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Coppers Surprising Reaction to Strong Magnets Force Field Motion Dampening
If the circuit is open, i.e. there two ends of the solenoid is open, there is induced emf produced, but no induced current produced. That...
Evan Toh
Nov 30, 20231 min read
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