Answers

2016-02-01T20:57:00+05:30

1)How does the static electricity generate?

a)through constant friction between the two bodies.

b)through partial rubbing of the two bodies.

c)only due to electricity.    answer: a

2)What happens when this type of electricity is generated?

a)most of the fibres stick to our skin.

b)only our hair raise up.

c)both a& b   answer:c

3)What is the main source for the static electricity?

a)main wire

b)a battery

c)both a& b    answer: b    


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2016-02-02T07:29:11+05:30
.

When an ebonite rod is rubbed with cat's skin,it gets ...

   positively-charged

   negatively-charged

   remains neutral

  Half-n-half Clue    

2.

Consider four charged bodies A, B, C and D. Body A attracts B but repels C. Body C attracts D, which is positively charged. Which body is positively charged?

   Body B

   Body A

   Body C

  Half-n-half Clue    

3.

When the water vapor in the atmosphere condenses and clouds are formed, these clouds contain large amounts of _______ charges.

   static electric

   lightning conduction

   water

  Half-n-half Clue    

4.

In a neutral atom, the number of electrons is equal to the number of _______.

   orbits

   protons

   neutrons

  Half-n-half Clue    

5.

The main purpose of a lightning conductor is to provide a path by which static electricity in the atmosphere can flow directly into the earth.

   True

   False

 

6.

The charges on 6.242 x 1018 electrons is equal to about ...

   1 Ampere

   1 Coulomb

   10 Coulombs

  Half-n-half Clue    

7.

Like charges _______ each other.

   repel

   attract

   touch

  Half-n-half Clue   
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