Is Zener diode a rectifier? Zener diodes can be used as a rectifier, as long as the applied voltage is not greater than the reverse breakdown... View Article
The charge stored in a capacitor can be calculated using the formula Q = CV Here, Q is the charge on the capacitor C is the capacitance of... View Article
Which condition does relative velocity become zero? The relative velocity becomes zero when the two bodies move in the same direction with the... View Article
What is the reason for capillary depression? When the adhesive force of the liquid with the wall of the container is less than the cohesive force... View Article
Why lead is used in batteries? Using lead in batteries makes it most reliable, cheap and convenient. Therefore, lead batteries are the most... View Article
What is the purpose of Boolean logic? Boolean logic or Boolean algebra is a branch of algebra where all the values are either true or false.... View Article
Is gravity a dimension? No, gravity is not a dimension. Gravity is one of the fundamental forces. According to Newton’s law of gravity, it is the... View Article
How long will a capacitor take to discharge? The discharge time differs for each capacitor. To find the discharge time of the capacitor we should... View Article
What is the frequency of DC? DC is the acronym for direct current. DC has a frequency of zero. Direct current is the current that moves in only... View Article
What is meant by electric polarization? When an insulator or a dielectric is placed in an external electric field, the electric field causes the... View Article
The half-life of the radioactive substance is given by T = 0.693/λ The average life or the mean life of the substance is given by τ= 1/λ λ is... View Article
What is the principle of moments? The statement of the principle of moments is that when the body is balanced, the total of the clockwise moment... View Article
How dark and bright fringes are formed? The dark and the bright fringes are formed due to interference. Thomas Young demonstrated the phenomenon... View Article
Why circular motion is called accelerated motion? In a circular motion, there is a continuous change in the direction of motion. The velocity... View Article
What is the meaning of celestial? Celestial means anything pertaining to the universe beyond the earth’s atmosphere. Any natural body outside the... View Article
What is the null point? In physics, the null point means the point in a field where the field quantity is zero. The field quantity is zero... View Article
Does light have mass? Light constitutes photons, so the question must be do photons have mass. The answer to this is “NO”. Photons do not have... View Article
Is time a dimension? Yes, time is considered as the fourth dimension. The first three are the dimensions of space- length, width and depth. Time... View Article
