Subject :NSO Class : Class 6
Which of the following statements are correct?
(i) Human body is a good conductor of electricity.
(ii) The air gap surrounding an electric circuit acts as a conductor.
(iii) Silver conducts electricity better than any other metal.
(iv) When electricity lights up a bulb, no heat is produced.
A (i) and (ii)
B (iii) and (iv)
C (i) and (iii)
D (ii) and (iii)
Can someone explain how the human body is a good conductor of electricity?
Ans 1:
Class : Class 6
actually our human body consists 70% of water and if we touch electricity they are conducted through our body to either to another person or to any metal or to directly the ground.
Ans 2:
Class : Class 6
Answer (C) is correct because our body is a good conductor of electricity and it has even been mentioned in the synopsis. Now, that means that (i) is correct so automatically B and D get canceled. The air in no form acts as a conductor and is an insulator. So C is also canceled. This leaves us with our final aswer A.
Ans 3:
Class : Class 8
CORRECT ANS IS D
Ans 4:
Class : Class 7
IDK but I think that I did not read the options properly
Ans 5:
Class : Class 6
because our body contains minerals like iron and has a large quantity of un - distilled water