The branch of science concerned with the nature and properties of matter and energy. Physics is the study of science related to the matter,... View Article
The base of transistor is lightly doped. A transistor is an electronic component that is used in circuits to either amplify or switch electrical... View Article
A dynamo is an electrical generator that creates direct current using a commutator. Simply put, a device that makes direct current electric power... View Article
The relationship between Temperature and Kelvin can be expressed as Temperature in Kelvin = Temperature in °C + 273 Given, kelvin temperature =... View Article
The earth is the third planet to the sun. In size, it is the fifth-largest planet. It is slightly deflated at the poles. The Earth shape is... View Article
Push or pull of an object is considered a force. Push and pull come from the objects interacting with one another. The quantity of force is... View Article
746 wattsThe electrical equivalent of one horsepower is 746 watts in the International System of Units (SI). Horsepower and Watts are the two... View Article
The defect is Myopia. Diverging lens(concave lens)should be used. Myopia or Nearsightedness occurs when the eye loses its ability to focus on... View Article
A null vector is a vector that has magnitude equal to zero and is directionless. It is the resultant of two or more equal vectors that are acting... View Article
The rate of flow of electric charge is known as electric current. Electric current is expressed by the rate of flow of electric charges . SI unit... View Article
The direct rays of the sun fall on the equator only twice in the year. These two days include 21st March and 23rd September. Earth’s axis... View Article
c) Mass of the object The inertia of a moving object depends on the mass of the object. The heavier the item, the Heavier is its tendency to... View Article
The unit of calorific value is kJ/kg or J/kg. Calorific value provides the amount of energy that is released when a fuel or material undergoes... View Article
Argon or Neon gas is filled in electric bulbs. Argon is an inert gas which does not give rise to any chemical reaction and so would not affect... View Article
a) A Sponge is a solid having a definite shape and volume. There are minute pores present in the sponge. Air can get easily trapped in the... View Article
Wattless Current in an AC circuit is when the average power consumed in such circuit corresponds to Zero. Such current is also called as Idle... View Article
A LR circuit consists of an inductor and a resistor in it. Where the inductor is denoted by L an the resistance is denoted by R . This type of... View Article
a) The type of current used in household supply is AC current. b) The type of current given by a cell is DC current. Alternating current (AC)... View Article
Pressure is defined as force per unit area. The force applied to a unit area of surface; measured in pascals (SI unit). For example, when a... View Article