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
In Isochoric process, the work done is always zero. Isochoric process is a thermodynamic process that takes place in a constant volume.... View Article
Solution: Given (cos θ + i sinθ )(cos 2θ + i sin 2θ)...(cos nθ + i sin nθ) = 1 eiθe2iθe3iθ….einθ = 1 ei(θ+2θ+3θ+...nθ) = 1 ein(n+1)θ/2 =... View Article
Solution: (1+2i)/(1-i) = (1+2i)(1+i)/(1-i)(1+i) = (1+2i+i-2)/(1+1) = (-1+3i)/2, lies in second quadrant. Hence option (3) is the answer.... View Article
Solution: Let a = cos θ + i sin θ (1+a)/(1-a) = (1+ cos θ + i sin θ)/(1-cos θ - i sin θ) Multiply numerator and denominator with (1-cos θ+ i... View Article
