Zener diode is a heavily doped diode. It acts as a normal diode in forwarding bias. When the Zener diode is reverse biased the junction... View Article
What does the kinetic theory of gases state? According to the kinetic theory of gases, the molecules in the gases are very small and have a large... View Article
Which side of a PN junction should be connected to the positive voltage for forward bias? The p-side of the PN junction diode must be connected... View Article
Can we see virtual images? Virtual images cannot be projected on the screen, but have a size and position. It can be seen and imaged by the human... View Article
A transistor is a semiconductor device with three terminals. The three terminals are emitter, base and the collector. When a transistor is used... View Article
The shape of the equipotential surface is in the form of concentric spherical shells. There is a decrease in the electric field as we move away... View Article
If we analyse the ray diagram of a concave mirror we can understand why the image is inverted. The ray of light coming from the upper end of the... View Article
Cross product does not follow associative law or associative property. It means, A x (B x C) ≠(A x B) x C Instead it satisfy Jacobi identity,... View Article
We can denote vectors using i and j notation. Usually, i and j are used to denote unit vectors (whose magnitudes are equal to 1), along x-axis... View Article
When a plane cuts a cone parallel to the base, then a circle is formed. The equation of the circle, is given by: (x-h)2+(y-k)2 = r2 Where r... View Article
The cross product of two vectors is equal product of their magnitude of vectors and sine of angle between them. A x B = |A||B| sin θ Learn more... View Article
Bandwidth of a signal is the range of frequencies in a continuous band of frequencies. It is the difference between upper and lower frequencies.... View Article
A vector is quantity that has both magnitude and direction. The absolute value of vector is its magnitude that represents the length of vector.... View Article
Two vectors are multiplied using either cross product or dot product. The cross product of two vectors is a vector quantity that has magnitude... View Article
Linear equations in three variables can be solved using matrix method or by Row reduction or Gaussian elimination method. In matrix method, we... View Article
In Mathematics, derivative means instantaneous rate of change of one variable or quantity with respect to another variable. Velocity is the most... View Article
If A is a matrix, then the transpose of matrix A is represented by AT.It is also denoted by A’. The rows of matrix A become the columns of... View Article
The equation of a circle at origin is given by: x2+y2= a2 When the center of a circle is not at origin, then the equation of circle is given... View Article
If y = f(x) is a function, and we need to differentiate or find the derivative of the y with respect to x, then we need to follow the below... View Article
Diamond is harder than graphite. Both diamond and graphite are allotropes of carbons, but graphite has slippery texture and is softer than... View Article
