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Results for Work, Energy and Power

What is the electric power consumption? Define 1 KWhr.

The rate at which electrical work is done or the rate at which electrical energy is consumed called electric power consumption.

1 KWhr can be defined as the amount of electrical energy consumed by an electrical appliance having a power ratio of 1KW for 1 hrs.

Differentiate between.Live wire and the neutral wireAC and DCFilament and fluorescent lampDynamo and electric motorStep up and step down transformerTungsten and nichromeElectricity obtained from ge...

a. Live wire and neutral wire.

Live wireNeutral wire
It carries current to the device from the source.It carries current from the device to the source.
It is red or brown in color.It is black or blue in color.

b. AC and DC.

ACDC
The current that changes magnitude and polarity is called AC.The current that doesn't change magnitude and polarity is called DC.
It is produced by an AC generator.It is produced by cells, batteries, etc.
It has a non-zero frequency.It has a zero frequency.

c. Filament and...

Work-Energy Theorem

Work-Energy theorem states that “the work done on a body by a resultant force is equal to the change in kinetic energy of the body.” Suppose a body having mass ‘m’ is moving initially with velocity...

An Introduction to Work and Energy

WorkScientifically,Work is said to be done by a force when the force produces a displacement in the body on which it acts in any direction except the direction perpendicular to the direction of th...

Potential Energy

The energy possessed by a virtue of its position or molecular arrangement(configuration) is called potential energy.The potential energy is of the following three types:Gravitational potential ener...

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