Solution: (3) f (x) = ax + b g (x) = cx + d f{g(x)} = a (cx + d) + b = acx + ad + b g {f(x)} = c (ax + b) + d = acx + bc + d f{g(x)} = g... View Article
Vibration is the periodic back and forth motion of the particles of an elastic medium. Vibraration is of two types: forced vibration and free... View Article
The diode can be forward biased by connecting the p-side of the diode to the positive voltage and the n-side to the diode to the negative... View Article
What is a plane Polarised wave? The light wave that has vibrations only in one plane is called plane polarised wave. Unpolarised light has... View Article
Frequency is the number of vibrations of the sound waves per second. How does frequency affect sound? The higher the frequency of the waves the... View Article
Why is AC preferred over DC? The power supply comes from a very far power plant to our houses and offices, the transmission power loss is very... View Article
Can the average speed of a moving body be zero? Speed is the distance travelled in the given time. Distance can never be zero. Therefore, average... View Article
Are glasses convex or concave? Glasses can be either convex or concave. Concave lenses are used in the correction of nearsightedness. Convex... View Article
What is a uniform electric field? Uniform electric field means the one that is uniform and does not vary. In terms of electric field lines, it is... View Article
The electric field strength also known as the electric intensity is the electrostatic force per unit positive charge acting on the positive... View Article
Dielectric strength of insulating material is the ability to act as an insulator. Dielectric strength of insulating material is defined as the... View Article
The moment is given by the product of force and the perpendicular distance from the applied force to the object. Moment = Force x perpendicular... View Article
Self-inductance is the phenomenon in which emf is induced in a coil due to the change of current through the coil itself. On what factors does... View Article
The amplitude of the wave is related to the energy carried by the wave. A large amount of energy is carried by a wave of large amplitude and a... View Article
Phase specifies the location of a particular point on a wave cycle of a repetitive waveform. Phase is a relative value and is measured in... View Article