Ohm's Law Unplugged
Why does a bulb glow brighter when you increase the voltage?
Why does iron rust but aluminium doesn't?
Both are metals, so why the difference?
Resistance in Real Life
Why do thick wires heat less than thin wires?
Why is mercury used in thermometers?
Couldn't we use water instead?
Series vs Parallel
Two bulbs are connected in series. If one burns out, what happens to the other?
Why is zinc used for galvanizing iron?
What's the science behind this coating?
Why Homes Prefer Parallel
Why are household circuits always connected in parallel, not series?
Why are noble metals called “noble”?
Are they royal in some way?
Shocking Truth
Why do birds sitting on high-voltage wires not get electrocuted?
Why does carbon form so many compounds?
Carbon chemistry seems endless — why?
Fuse Functionality
How does a fuse protect your home appliances?
Why are covalent compounds generally poor conductors of electricity?
Metals conduct, but why not most carbon compounds?
Current Direction Mystery
Why does conventional current flow from +ve to -ve when electrons move opposite?
What is the difference between saturated and unsaturated hydrocarbons?
Why are some compounds called “alkanes” while others “alkenes”?
Resistance and Temperature
Why does a filament bulb glow but an LED stays cool?
Study Materials
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