The ideal gas law relates the four physical properties of a gas at any given time. The law is used in stoichiometry problems involving chemical... View Article
We use alternating current in the transportation industry. Most of our household appliances are powered by AC. AC is a popular choice for... View Article
The wavelength is defined as the distance between two successive crests or troughs of a wave. A wavelength is measured in the direction of the... View Article
In a complex circuit consisting of two or more resistors, the effective resistance is the measure of the total resistance of all the resistor in... View Article
Elasticity is the tendency of a material to return back to its original shape after forces are applied to them. The materials that return to... View Article
The wavefront of a time-varying field is the set (locus) of all points where the wave has the same phase of the sinusoid. The wavefront of waves... View Article
Momentum is a vector quantity. The momentum of a body is defined as the product of mass and velocity of that body. Mathematically, this is... View Article
A real image occurs when the rays converge. A real image is always formed below the principal axis, so these are inverted whereas a virtual image... View Article
Forward current is the current that flows in the forward direction when the diode is forward biased is known as a forward current. Reverse... View Article
Convex lenses, also known as converging lenses, are used for magnification. The concave lens on the other hand makes the images smaller.... View Article
The identification of the wave-particle duality of light is credited to Albert Einstein who first showed that light which had been considered a... View Article
A second is the smallest unit of time. All the other units of time can be measured in seconds using the following conversion factors: 1 minute... View Article
The magnitude of an electric field is directly proportional to the density of electric field lines. When the lines are closer to each other, the... View Article
The amplitude of sound waves determines the loudness of sound. Following factors affect the amplitude of sound waves: The amount of energy... View Article
Ultrasonic waves are sound waves with frequency higher than 20 kHz. Ultrasonic waves have similar physical properties except that humans cannot... View Article
PNP transistors have a wide variety of applications and following are some of them: PNP transistors are used as switches. PNP transistors are... View Article
Is gravity a force? Yes!! Gravity is the force of attraction between all objects in the universe. Gravity is a natural phenomenon by which all... View Article
