Name the two types of electric conduction.

1 Answer

Answer :

The two types of electrical conduction are: a) Electric conduction due to flow of delocalised electrons. b) Electrical conduction due to flow of ions

Related questions

Description : State the types of conduction of electricity.

Last Answer : a) Metallic conduction b) Electrolytic conduction

Description : Give examples of substance through which electrolytic conduction occurs.

Last Answer : a) Salts in molten state Ex: Sodium chloride, Calcium chloride, lead bromide etc. b) Aqueous solutions of sodium sulphate, copper sulphate etc. c) Bases Ex: Sodium hydroxide, Potassium hydroxide etc. d) Aqueous solutions of acids Ex: Hydrochloric acid, sulphuric acid etc.

Description : Give examples of substances through which metallic conduction occur.

Last Answer : a) All metals Ex: Iron, Aluminium, Copper, Mercury etc. b) All alloys Ex: Brass, Bronze, and Steel etc. c) Graphite

Description : What is electrolytic conduction?

Last Answer : The type of conduction in which cations and anions participate in the flow of electricity in molten state or aqueous solution of salt is called as electrolytic conduction.

Description : What is electronic conduction?

Last Answer : The type of conduction which is due to the flow of delocalised electrons is known as electronic conduction.

Description : Explain electro polishing.

Last Answer : The article to be electro polished is taken as anode in the electrolytic bath with copper or lead cathode and a suitable electrolyte. When direct current is passed through the electrolyte, the ... the anode is electro polished. Ex: Sandwiched cookers are manufactured by the electro polishing method.

Description : What is electro polishing?

Last Answer : Electro polishing is an electrochemical process that removes material from a metallic article. It is the reverse of electroplating.

Description : What is the aim of electroplating?

Last Answer : The aim of electroplating is to give the articles made of one metal a coating of another metal either to improve the appearance or to protect it against rusting and tarnishing.

Description : What is electroplating?

Last Answer : Electroplating is the process of plating one metal onto another by passing current through the electrolyte.

Description : Mention the applications of electrolysis.

Last Answer : a) Electroplating b) Electrotyping c) Purification of metals d) Decomposition of salts e) Electro polishing f) Manufacture of certain chemicals like caustic soda.

Description : Write the value of Faraday’s constant.

Last Answer : The value of Faraday’s constant is 96,500 coulomb/mole.

Description : Define Faraday’s constant.

Last Answer : Faraday’s constant is defined as the ratio of chemical equivalent to electrochemical equivalent of a substance.

Description : State Faraday’s second law of electrolysis.

Last Answer : “The masses of different substances liberated by the same quantity of electricity are proportional to their chemical equivalents”.

Description : On what factors does the amount of deposition in electrolysis depend?

Last Answer : The amount of deposition depends on the a) Current b) Time c) Nature of substance

Description : State Faraday’s first law of electrolysis.

Last Answer : “The mass of substance deposited or collected at either electrode during electrolysis is proportional to the current and to the time”.

Description : What are cations?

Last Answer : Cations are atoms that have lost an electron to become positively charged.

Description : What are anions?

Last Answer : Anions are a group of atoms that have gained electrons. They have a negative charge.

Description : What are ions?

Last Answer : A group of charged atoms are called ions.

Description : State Arrhenius theory of dissociation.

Last Answer : “The molecules of an electrolyte in aqueous solution break into ions”

Description : What are non-electrolytes? Give example

Last Answer : Substances which do not conduct electricity are called non-electrolytes. Ex: Sugar solution, distilled water etc.

Description : What are weak electrolytes? Give example

Last Answer : Electrolytes that dissociate partially are called weak electrolytes. Ex: Vinegar, carbonic acid, phosphoric acid and organic acids like acetic acid, formic acid etc.

Description : What are strong electrolytes? Give example

Last Answer : Electrolytes that dissociate almost completely are called strong electrolytes. Ex: Ionic compounds like Sodium chloride, copper sulphate, covalent compounds, hydrochloric acid, nitric acid, sulphuric acid.

Description : How are electrolytes classified?

Last Answer : Electrolytes can be classified into: a) Strong electrolytes b) Weak electrolytes c) Non electrolytes

Description : What is an electrolyte?

Last Answer : The chemical substances that conduct electricity in aqueous state or molten state are called electrolytes.

Description : What is meant by electrolytic solutions?

Last Answer : The aqueous solutions in in which chemical reactions occur when direct current is passed are called electrolytic solutions.

Description : By what process is heat transmitted from the filament of an evacuated electric bulb to the glass? (a) Conduction (b) Convection (c) Radiation (d) Heat cannot be transmitted through vacuum

Last Answer : Ans:(c)

Description : Depending on the method of conduction of electricity, the electric conductor can be divided into how many parts ?

Last Answer : Depending on the method of electric transport, electric conductors can be divided into two main categories- 1. Electronic or metallic conductor (electrolytic) 2. Electrolytic or electrolytic conductor

Description : Calculate the conduction current density when the resistivity of a material with an electric field of 5 units is 4.5 units. a) 22.5 b) 4.5/5 c) 5/4.5 d) 9.5

Last Answer : c) 5/4.5

Description : Calculate the conduction density of a material with resistivity of 0.02 units and electric intensity of 12 units. a) 300 b) 600 c) 50 d) 120

Last Answer : b) 600

Description : Find the conduction current density of a material with conductivity 200units and electric field 1.5 units. a) 150 b) 30 c) 400/3 d) 300

Last Answer : d) 300

Description : Calculate the electric field when the conductivity is 20 units, electron density is 2.4 units and the velocity is 10m/s. Assume the conduction and convection current densities are same. a) 2.4 b) 4.8 c) 3.6 d) 1.2

Last Answer : d) 1.2

Description : Find the conductivity of a material with conduction current density 100 units and electric field of 4 units. a) 25 b) 400 c) 0.04 d) 1600

Last Answer : a) 25

Description : Find the conduction current density when conductivity of a material is 500 units and corresponding electric field is 2 units. a) 500 b) 250 c) 1000 d) 2000

Last Answer : c) 1000

Description : Conduction in metals is due to a) Electrons only b) Electrons and holes c) Holes only d) Applied electric field

Last Answer : a) Electrons only

Description : Which of the following statement(s) is/are true concerning carrier proteins? a. Carrier proteins are distinguished by three types of mechanisms: carrier-type, channel-type, and conduction-type b. ... and open d. Carrier-type transport proteins are equally accessible from either side of the membrane

Last Answer : Answer: b, c Most transport proteins appear to function as carriers, rather than channels. Important distinctions can be made between types of carrier proteins on the basis of transport kinetics. ... a carrier mechanism, the binding site is available only one side of the membrane at any instant