Coupling is a mechanical device that connects two shafts together at the ends. The primary purpose of coupling is to join two rotating parts of... View Article
Not really. It is a misconception that one horsepower is equal to the power production by a horse. James Watt has designed horsepower to be... View Article
The antiferromagnetic materials will exhibit different behaviour when it is placed in a magnetic field depending on the temperature. At low... View Article
The electric potential is zero at an infinite distance from the point charge. For two opposite charges of equal magnitude, the electric potential... View Article
The unit of power is Watt. In the SI units, Watt is defined as the derived unit of one joule per second. Power is the rate of energy flow per... View Article
Potassium permanganate can be applied on skin surfaces that are oozing pus or blistered. It kills the germs by releasing oxygen when it mixes... View Article
The molecular weight of a molecule is the mass of one mole of the substance. The molecular weight can be determined from the atomic weight of the... View Article
Pulse code modulation is a digital modulation technique. The analog information is converted to binary variables by pulse code modulation. The... View Article
In an electromagnetic field, the total energy stored is by UEM = (ε/2)।E।2+(1/2μ)।B।2 Here, ε is the permittivity of the medium μ is the... View Article
The alternating bright and the dark band formed due to interference is called fringe. When two light waves superimpose it forms constructive... View Article
1) Statement 1 is true, Statement 2 is true; statement 2 is a correct explanation for statement 1. 2) Statement 1 is true, statement 2 is... View Article
1) Statement 1 is true, Statement 2 is true; statement 2 is a correct explanation for statement 1. 2) Statement 1 is true, statement 2 is... View Article
1) f has a local maximum at x = 2 2) f is decreasing on (2, 3) 3) There exists some c ∈ (0, ∞) such that f’’ (c) = 0 4) f has a local... View Article
1) f (x) is increasing on [–1, 2] 2) f (x) is continuous on [–1, 3] 3) f’(2) does not exist 4) f’(x) has the maximum value at x = 2... View Article
1) The distance between (-1, 2) and (a, f (a)), where x = 0 is the point of local minima is 2√5 2) f (x) is increasing for x ∈ [1, 2√3] 3)... View Article