Eddt current, why a metal disc is thrown up when it is placed on the top of...

why a metal disc is thrown up when it is placed on the top of an electromagnet is the current is switched on?

Define the period and the square root of the length, What is the relationsh...

What is the relationship among the period and the square root of the length? The graph is linear, so the period is proportional to the square root of the length of the string.

When a body is said to be in motion, MOTION: A body is said to be in ...

MOTION: A body is said to be in motion if it alters its position with respect to its surroundings.

Explain constant voltage system, Explain Constant voltage system Const...

Explain Constant voltage system Constant voltage system :  In this process voltage is kept constant but results in very huge charging current in the starting when the back emf

Write nuclear equation of star energy fusion, One source of a star's energy...

One source of a star's energy is the fusion of two deuterons to form an alpha particle plus a gamma ray. a. Write down the nuclear equation for this fusion. b. Measure the m

Innovative proprietary ultrasonic technology cleaning effect, Define the cl...

Define the cleaning effects of innovative proprietary ultrasonic technology. Additionally, the pollution particles are dispersed in the cleaning liquid. By this, a new adhesion

Michelson interferometer diagram,

Explain the types of equilibrium, STABLE EQUILIBRIUM If object is in st...

STABLE EQUILIBRIUM If object is in stable equilibrium and if we displace object to a very little displacement dr then it will return back to starting position. UNSTABLE EQU

An experiment with force and motion, An experiment with force and motion ...

An experiment with force and motion Tie a spring clothes peg open by placing one winding of thread about the long ends. Place the clothes peg in the centre of a long table and

What is the density of a cube, The density, ?, of an object is given by the...

The density, ?, of an object is given by the ratio of the object's mass, m, and volume, V, according to the equation ? = m/V. What is the density of a cube that is 1.2 cm on each s