Question

2(4sq.+1/4sq.)-3(4+1/4)-1​

Answer 1

Well electricity is really just due to a flow of electrons in a material. So to be a good conductor, a material needs to allow electrons to move freely.

Metals have lots of 'free' electrons (very loosely bound electrons), and so metals can support a large current, without needing a high voltage to move the electrons.

Wood does not contain free electrons in its valence region so it can't pass the charge i.e. electricity and hence is a bad conductor.

Thus bulb glow will not glow.

Hence the correct option is A.

Answer 2

Answer:

2(16+1/16)-3(4+1/4)-1

2(257) - 3(17)-1

514-51-1

514-50

464

Step-by-step explanation:

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