Browse Questions
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Potential Difference
Why do charges flow only when there’s a potential difference?
Bragg’s Law
What is Bragg’s Law and how does it help in determining crystal structure?
Difference between speed & velocity
Why do we say a car moving in a circle at constant speed still has a changing velocity?
Kirchoff’s Laws
What are Kirchhoff’s current and voltage laws?
Conductors, semiconductors & insulators
How are semiconductors different from conductors and insulators?
Acceleration in daily life
When you press the accelerator in a car, what’s actually happening in terms of physics?
Wheatstone Bridge
Why is the Wheatstone bridge used for measuring resistance?
Doping in semiconductors
What happens when silicon is doped with phosphorus or boron?
Distance vs displacement
Two friends walk 3 km east and then 4 km north. What’s the difference between distance and displacement here?
Galvanometer Conversion
How can a galvanometer be converted into an ammeter or voltmeter?
Practical application
Why are diamonds hard while graphite is soft, though both are forms of carbon?
Free fall
Why do objects of different masses fall at the same rate when dropped from the same height?
Magnetic Force
Why does a current-carrying conductor placed in a magnetic field experience a force?
Types of solutions
What are the different types of solutions based on phase?
Newton’s first law
Why do you lurch forward when a bus suddenly stops?
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