The instrument used to measure electric current is an ammeter. To measure electric current in a circuit, an ammeter must be connected in series... View Article
Electric current is defined as the amount of charge flowing through a particular area in unit time. Electric current is denoted by I. I =... View Article
A body moving uniformly along a circular path has a constant speed. A circular motion is the movement of an object along the circumference of a... View Article
The relation between SI and CGS unit of Force is: SI Unit of Force = 105 CGS unit of Force We know that the SI unit of force is Newton and the... View Article
A wire suspended vertically from one of its ends is stretched by attaching a weight of 200N to the lower end. The weight stretches the wire by... View Article
Light is a form of energy, which travels as a wave. Light has a dual nature. Sometimes it behaves like a particle, and sometimes it behaves like... View Article
The rigid body is defined as a body in which the distance between two points remains constant in time regardless of the external force. In other... View Article
The Snells law of refraction states that 'the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for... View Article
The standard meter is defined as the length of the path travelled by light in vaccum during a time interval of 1/299792458 of a second.... View Article
The basic postulates of Bohr's theory of atomic spectrum are: The electrons revolve around the nucleus in a certain selected circular path is... View Article
The SI unit of resistance is the ohm. One ohm is the resistance offered by a conductor when the current passing through. It is one ampere and the... View Article
According to newton's first law of motion, the qualitative definition of force is defined as an object at rest will stay at rest and an object in... View Article
An example of a natural magnet is a lodestone. It is also called magnetite. Other examples of the natural magnet are pyrrhotite and ferrite.... View Article
Work is a scalar quantity because work has only magnitude and no direction, so it is a scalar quantity. Explore more such full forms, questions... View Article
(A) Voltage (B) Current (C) Resistance (D) None of these The correct answer is option (B) Current. Ammeter is an instrument, which is used... View Article
The dimensional formula for Youngs Modulus is [M1L-1T-2] Where, M = Mass L = Length T = Time Young’s Modulus (Y) = Linear Stress × [Linear... View Article
The electric current 'I' is defined as the amount of charge 'Q' that flows through a particular area of the cross-section in unit time 't'.... View Article