The potential difference between any two given points is known as the electric potential. The electric potential at a point is given with respect... View Article
The mutual inductance LM can either be positive or negative based on whether the polarity of the mutual voltage in reference to the direction of... View Article
In a forward bias, the positive terminal of the battery is connected to the p-type and the negative terminal is connected to the n-type. When a... View Article
The kinetic energy in a uniform circular motion is constant. This is true because the speed in a uniform circular motion is constant and kinetic... View Article
Geostationary satellites are Earth’s satellites that are placed into orbit at a distance of around 35,800 km from the earth’s surface.... View Article
An electric charge is said to possess zero potential when it is infinitely far away from other charges. In such cases, if the charge is moved... View Article
A nuclear fusion occurs when two atoms bombard each other to form a heavier atom, as when two hydorgen atoms combine to form a helium atom. The... View Article
A dielectric is an insulator that conducts electric current poorly. When a dielectric material is placed in an electric field, no electric... View Article
Gibbs free energy is a thermodynamic potential that is used to calculate the maximum reversible work performed by a thermodynamic system at... View Article
Kepler’s 2nd law sometimes referred to as the law of equal areas describes the speed at which any given planet will move while orbiting the sun.... View Article
Which of the following cells can be recharged? a) Edison Cell b) Lead Storage Cell c) Nickel Cadmium Cell d) All of the above Answer: d)... View Article
Solution: Sum of n terms of AP = (n/2)(2a+(n-1)d) The 38th term of AP = a+37d Sum of 75 terms => (75/2) (2a+74d) = 2625 (2a+74d) = 2625... View Article
Solution: Assume a,b,c are in HP. Then 1/a, 1/b,1/c are in AP. (1/a)+(1/c) = 2/b …(i) Let d be the common difference of AP. (1/b) - (1/a)... View Article
Solution: Let S be the sum of the series 2/3! + 4/5! + 6/7! +... Tn = 2n/(2n+1)! = (1/2n!) - (1/(2n+1)!) S = ∑Tn = ½! - ⅓! + ¼! - ⅕! + …... View Article