Page 133 - Science Class 06
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Electric Current and Circuits
• Electric Energy • Sta c and Current Electricity
• Electric Charges • Flow of Electric Current
• Electric Circuit • Conductor
• Insulator • Is Water a Conductor or an Insulator?
Electricity is all around us—powering ELECTRIC ENERGY
technology like our cell phones, computers, Electric energy is also called electricity.
lights, soldering irons and air condi oners. Electric charges and currents a ract or repel
It’s tough to escape it in our modern world. each other, i.e., they exert forces on each
Even when you try to escape electricity, it’s other. Thus, work needs to be done in
s ll at work throughout nature, from the general to move them with respect to each
lightning in a thunderstorm to the synapses other. The energy associated with this work
inside our body. But what exactly is is called electric energy.
electricity? This is a very complicated
ques on and as you dig deeper and ask
more ques ons, there really is not a
defini ve answer, only abstract represen- Work is defined as the force that acts on
ta ons of how electricity interacts with our a body to move it.
surroundings. Energy is defined as the capacity to do
work.
STATIC AND CURRENT ELECTRICITY
When we rub two different materials, they
get electrified. For example, when a piece of
amber is rubbed with a woollen cloth, the
amber acquires the property of a rac ng
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