Q. 84.6( 18 Votes )
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
Answer :
Graphite is the black substance of pencil. When we use the sharpened ends of the pencil to complete the circuit, the current will flow through the electric circuit because graphite is a good conductor of electricity.
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PREVIOUSBuckminsterfullerence is a spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
(a) How many hexagons of carbon atoms are present in one molecule of buckministerfullerene?
(b) How many pentagons of carbon atoms are present in one molecule of buckministerfullerence ?NEXTHow does graphite act as a lubricant?
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