Evan Toh
How to read the digital stopwatch
Depending on the experiment, the recording of measured time may be to the nearest 0.1 s or the nearest 1 s, even though a typical digital...
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Evan Toh
Aug 311 min read
Convection Toy – Angels Carousel
This simple toy is made possible using convection current in the air. The ‘fan’ of the carousel is similar to the windmill we are...
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Evan Toh
Aug 311 min read
Convection Current – demo
Convection is a process in which thermal energy is transferred within a fluid (liquid or gas) due to the difference in density which...
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Evan Toh
Aug 311 min read
Radiometer – Thermal Transfer
adiometer is a device for measuring the amount of infrared radiation. It consists of freely pivoted rotor with four vanes perpendicular...
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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, 20231 min read
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...
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