The derivative of tan 2x is 2 sec2 (2x). (i.e.) d/dx tan 2x = 2 sec2 (2x) Explanation: We know that the derivative of tan x is sec2 x (i.e.)... View Article
By connecting several capacitors in parallel, the resultant capacitance of the circuit increases and will be able to store more energy as the... View Article
The bandwidth of a signal is the difference between the upper and lower cutoff frequencies in a continuous band of frequencies. Bandwidth is... View Article
The alternating current is not unidirectional. Every so often, the electrons in an alternating current change direction. The electrons in an... View Article
The Kepler’s third law also known as the Law of Harmonies states that the ratio of the squares of the periods of any two planets is equal to the... View Article
Earth exhibits two types of movements. One where it moves around the sun and in the other it moves around its own axis. These motion of the earth... View Article
In the AC induction motor referred to as a wound rotor motor, slip rings are used not for transferring power, but for inserting resistance into... View Article
In the case of a short circuit, we consider the resistance to be zero. Dividing a non-zero number by a value that approaches zero yields a value... View Article
Moment of inertia is the quantitative measure of the rotational inertia of a body. The term moment of inertia was first used by Leonhard Euler in... View Article
Slip rings are electromechanical devices that transmit power from rotating structures to stationary structure. Slip rings are used in various... View Article
The Young’s double-slit experiment illustrates the dual nature of light effectively. The double-slit experiment was designed to demonstrate the... View Article
One of the easiest way to remember the PNP and NPN is by the following method: PNP - Pointed In NPN - Not Pointed In The other simple way to... View Article
If the battery is disconnected and the separation between the plates is varied, the potential difference between the plates will change but the... View Article
An absolute motion is defined as the change of position of a body from one absolute place to another. On the contrary, a relative motion is... View Article
Time is the fourth dimension and is experienced as a line. It is not a mere line. It is but the entirety of existence stretched into motion. Time... View Article
The kinetic theory of gas states that gas particles are in the state of constant random motion. Each of these particles move at different speeds,... View Article
Yes, the equilibrium constant varies with the change in temperature. The equilibrium constant of an exothermic reaction decreases as the... View Article
The unidirectional flow of electric charges is known as direct current (DC). Direct current has a wide range of applications, here are a few... View Article
Given: The wavelength associated with the neutron is λ = 1.40 × 10 −10 m The mass of the neutron is mn = 1.66 × 10 −27 kg The value of... View Article
7,500 hours brush life is estimated for general purpose, medium horsepower DC motors. The minimum brush life might vary between 2,000 to 5,000... View Article