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Letusknowwhy

Apr 25, 2014



Letusknowwhy

May 2, 2014

#### Why is the pin connected to the earth wire is thicker and longer than the pins connected to neutral and live wire in a plug?



Why is the pin connected to the earth wire is thicker and longer than the pins connected to neutral and live wire in a plug?

Answer: The pin connected to the earth wire i...

Apoorva

Jan 2, 2014



Letusknowwhy

Apr 29, 2014

#### Why is the filament of a bulb made of tungsten?



Because it is an alloy.Alloys do not oxidise OR burn easily compared to metals like copper.Hence the filament will not get burnt up quickly and we dont have to keep changing it frequently.

Letusknowwhy

Apr 29, 2014



Sudha eto

Jan 22, 2015

#### What is the cause of heating effect of electricity?



Heating effect of electricity is one of the widely used effects in the world. When electric current is passed through a condu...

Letusknowwhy

Apr 25, 2014

#### What are the safety measures to be taken in electric circuits and appliances?



What are the safety measures to be taken in electric circuits and appliances?

a) Avoid confusion by following colour coding.
b...

Letusknowwhy

Apr 29, 2014

#### fuse wire is connected with the live wire just after the electric meter of the consumer.Why?



it is done so the ilectricity will not harm us

Letusknowwhy

May 2, 2014

#### What are the safety measures to be taken in electric circuits and appliances?



What are the safety measures to be taken in electric circuits and appliances?
a) Avoid confusion by following colour coding.
b) The metallic body ...

Uttam mazumder

Oct 7, 2014



Letusknowwhy

Apr 25, 2014



Letusknowwhy

May 2, 2014

#### Why is the pin connected to the earth wire is thicker and longer than the pins connected to neutral and live wire in a plug?



Why is the pin connected to the earth wire is thicker and longer than the pins connected to neutral and live wire in a plug?

Answer: The pin connected to the earth wire i...

Apoorva

Jan 2, 2014



Letusknowwhy

Apr 29, 2014

#### Why is the filament of a bulb made of tungsten?



Because it is an alloy.Alloys do not oxidise OR burn easily compared to metals like copper.Hence the filament will not get burnt up quickly and we dont have to keep changing it frequently.

Letusknowwhy

Apr 29, 2014



Sudha eto

Jan 22, 2015

#### What is the cause of heating effect of electricity?



Heating effect of electricity is one of the widely used effects in the world. When electric current is passed through a condu...

Letusknowwhy

Apr 25, 2014

#### What are the safety measures to be taken in electric circuits and appliances?



What are the safety measures to be taken in electric circuits and appliances?

a) Avoid confusion by following colour coding.
b...

Letusknowwhy

Apr 29, 2014

#### fuse wire is connected with the live wire just after the electric meter of the consumer.Why?



it is done so the ilectricity will not harm us

Letusknowwhy

May 2, 2014

#### What are the safety measures to be taken in electric circuits and appliances?



What are the safety measures to be taken in electric circuits and appliances?
a) Avoid confusion by following colour coding.
b) The metallic body ...

Uttam mazumder

Oct 7, 2014