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## Definition of electric power and its unit for class 10

Definition of electric power and its unit What is Electric Power? It is defined as the electrical work done per unit time. The rate at which electrical work is done or the rate, at which electrical energy is consumed, is called electric power. Watt (1 Watt = 1 joule per second) is the SI unit …

## What is electricity? and its description

What is electricity? Electricity is the most widely used source of energy in our households. Most of the appliances work by using current supplied by the mainline. There are many things like torch, camera, clock, etc., that work on the electric cells. A fundamental form of energy observable in positive (+ve) and negative (-ve) forms …

## Magnetic effect of electric current

Let’s start the introduction of the magnetic effect of electric current. What is the Magnetic effect of electric current? ‘Magnetic effect of current’ states that ‘a current flowing in a wire produces a magnetic field around it’. Electric currents can produce magnetism. It is observed that when a compass is brought near a current-carrying conductor …

## State Ohm’s law and its application

State Ohm’s law and its application Ohm’s law explains a relationship between current(I) and potential difference(v). Ohm’s law states that, at a constant temperature, the current flowing through a …

## Prove that if x and y are both odd positive integers

Prove that if x and y are both odd positive integers then x 2+ y2 is even but not divisible by 4.                                          OR Show that if x and y are both odd positive integers then …