Yes, a transistor can be used as an amplifier. The transistor increases the strength of the input signal. A small input signal is made into a... View Article
Moment of inertia is the measure of the rotational inertia of the body. In simple words, the opposition exhibited by the body to the change in... View Article
Earth is not a perfect sphere. It is flattened at the poles and bulged at the equator. The centrifugal force caused by the rotation of the earth... View Article
The rectifier is a diode. It converts alternating current to direct current. The types of rectifiers are listed below Half-wave rectifiers... View Article
Since the value of magnification has a positive value the image formed will be virtual and erect. Here the value of the magnification is +3,... View Article
When the battery is connected to the capacitor there will be a potential difference across the conducting plates of the capacitor. There is an... View Article
Brewster’s law gives the relation between the polarising angle and refractive index. It is observed experimentally that when the light is... View Article
The Greek model of the atom by Democritus was the first model of the atom. Democritus said that if objects are broken smaller and smaller you... View Article
The latent heat of fusion of ice is 33600 J/K. Latent heat of fusion of ice is the amount of heat required to melt a unit mass of ice from the... View Article
Error is the difference between the true value and the measured value. Uncertainty is the reported value that lies within the range of values... View Article
The presence of two types of charges can be shown by a few simple experiments. When the glass rod is rubbed on the silk cloth the glass rod... View Article
Mean is the sum of all the numbers divided by the total number of numbers. Example, the mean of the numbers 13, 12, 15 is (11+9+10)/3 = 3 The... View Article
The charge stored in the capacitor is given by the expression Q = C/V Q is the charge stored C is the capacitance of the capacitor V is the... View Article
Harmonics is defined as the integer (whole number) multiple of the fundamental frequency. Open cylindrical columns, vibrating strings will... View Article
In mechanics there are four types of motions. It is oscillatory motion, linear motion, rotational motion and circular motion. Oscillatory... View Article
1) Even and is strictly increasing in (0, ∞) 2) Odd and is strictly decreasing in (–∞,∞) 3) Odd and is strictly increasing in (–∞,∞) 4)... View Article
