Graphite is a good conductor of electricity due to the presence of __________.
(i) lone pair of electrons
(ii) free valence electrons
(iii) cations
(iv) anions
1 Answers
Talk Doctor Online in Bissoy App
Graphite is a good conductor of electricity due to ………………….
C) delocalized n system
2 Answers 1 views
What will be the shape of molecule whose central atom is associated with 3 bonds and one lone pair?
Option : (A) Trigonal pyramidal
2 Answers 1 views
Explain why metals are good conductors of heat and electricity.
1. Metals like iron, copper. aluminium etc, contain free electrons in their atoms. 2. These free electrons assist the atoms in transfer of thermal energy as well as electrical energy. 3. Therefore,...
2 Answers 1 views
The net charge flowing through a crosssection of a conductor in unit time is …………………. when the conductor is in open circuit.
Correct option is D) zero
2 Answers 1 views
The resistance of a conductor …………………. when the length of a conductor increased for providing constant temperature and cross-sectional area.
B) increases
2 Answers 1 views
If the length and diameter of a conductor both are halved, the resistance of the conductor becomes …………………….
Correct option is D) halved
2 Answers 1 views
The drift velocity of the free electrons in a conductor is independent of (A) length of the conductor.
(A) length of the conductor.
2 Answers 1 views
Why are metals good conductor of electricity?
Metals are good conductors of electricity due to the large number of free electrons (≈ 1028 per m3) present in them.
2 Answers 1 views
A straight vertical conductor carries a current. At a point `5cm` due north of it, the magnetic induction is founded to be `20muT` due east. The magne
Correct Answer - 4 `B=(mu_(0)i)/(2pir)`
2 Answers 1 views
Assertion : Ethers behave as bases in the presence of mineral acids. Reason : Due to the presence of lone electrons pair on the oxygen atom.
Correct Answer - a Reason is the corect explanation for assertion .
2 Answers 2 views