A rheostat is a variable resistor connected in a circuit to control the flow of the current. The rheostat has to be connected in series in the... View Article
https://byjus.com/jee-questions/is-zinc-a-semiconductor/ Zinc oxide is an n-type semiconductor. It has a wide bandgap of 3.37 eV and a high... View Article
The second law of thermodynamics was stated by Kelvin Planck and Clausius Kelvin Planck Statement: It is impossible to construct a heat engine... View Article
According to the law of inertia, every body continues to be in its state of rest or of uniform motion in a straight line unless it is compelled... View Article
For low carbon steel, the curie point or the curie temperature is 770 0C or 1390 0F. Steel loses its magnetic properties above the curie... View Article
Nichrome, a non-magnetic alloy of nickel and chromium has a high resistivity and resistance to oxidation at a high temperature. It is the most... View Article
Titanium is not a magnetic material. It is a paramagnetic material that is not affected by the magnetic field. Titanium is used in MRI since it... View Article
The strongest permanent magnets are neodymium (Nd) magnets. They are made from an alloy of neodymium, boron and iron to form Nd2Fe14B structure.... View Article
Torsional strength is the ability of the material to withstand the twisting load. When the material is subjected to torsional loading, torsional... View Article
The magnet loses its magnetism above the Curie temperature. There is a reduction in the magnetism of the magnets when heated because the... View Article
Sound is louder in cold air. This is because as the temperature goes down the sound waves have a tendency to refract more and they are usually... View Article
One of the most common and popular tests for alkenes is the Bromine water test. The bromine water which is an orange solution will turn... View Article
One of the main reasons that cause start capacitors to fail is due to overheating. If you look at the structure of start capacitors they don’t... View Article
Potassium-40 which is a radioactive isotope of potassium usually has two half-lives which are mainly based on what type of beta decay that it... View Article
No, CO2 is not an ionic compound. As per the definition, an ionic compound is a compound that is mostly formed between a metal atom and a... View Article
No, CO2 is not an ionic compound. As per the definition, an ionic compound is a compound that is mostly formed between a metal atom and a... View Article
The lowest energy molecular orbital which is the sigma ( ) p1 bonding orbital has zero nodes. The lowest energy level usually has all the... View Article
Noncovalent bond is a type of chemical bond that is found mostly between macromolecules. In this type of bond, there is no sharing of electron... View Article
The opposite of catalyst is an inhibitor and it is defined as a substance that generally decreases the rate of a chemical reaction. Sometimes... View Article
Usually, the type of reaction that releases the most energy is an exothermic reaction. This reaction is generally defined as the reaction where... View Article
