What is a conductor ? What is a conductive substance ?

1 Answer

Answer :

Substances that have sufficient amount of free electrons and through which electricity can flow easily are called conductors.

Related questions

Description : How do magnetic fields around connected conductive materials take shape?

Last Answer : I think that while the current supplied by the wire is flowing through the metal balls they will generate a magnetic field in the same way a field surrounds a wire with electricity flowing through it. ... that in the same way it passes between atoms in a wire their magnetism will not repel them.

Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a: (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects

Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects.

Description : Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Last Answer : (1) has high specific heat Explanation: The specific heat of water is higher than all other common substances. Hence, water is used for heating purposes (as in hot water bottles) and for cooling ... the liquids, mercury has the lowest specific heat due to which it is used as a thermometric liquid.

Description : Water is not suitable as a calorimetric substance because it : (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vapourization

Last Answer : has high specific heat

Description : Are lip studs (and other body jewelry) electro-conductive?

Last Answer : Normally, studs and the like are of silver or gold which are excellent electrical conductors.

Description : The conductive qualities of water will allow electrical current to travel through it. But, is there a point where there is too much water for the electricity to administer a fatal or severe shock?

Last Answer : Electricity always follows the path of least resistance, so, no, the current is not “diluted.” A fatal shock can only occur if the current flows through the heart.

Description : Do you think we could have a nationwide electrical grid that depends on highly conductive quantum nanowire?

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Description : Is human existence in the shadow of a nanny state conductive to "Aristotelian happiness"?

Last Answer : Are you implying that we are heading toward a nanny state? Is that what’s behind this question?

Description : What is non-conductive ?

Last Answer : Substances through which electric current cannot flow are called insulators . Such as- glass , wood , rubber , plastic etc. non-conductive material. The electrical conductivity of non-conductive matter is very low ... radiation is very high. The relative radius of the insulator is about 10 12 Ω m .

Description : How to make pure water electrically conductive ?

Last Answer : Pure water does not conduct electricity. This is because the ions required for the conduction of electricity are not found in pure water. But in pure water , water carries electricity if the ... the presence of sufficient amount of ions in pure water can be ensured, it conducts electricity.

Description : What are the conductors of electric charge in electrically conductive metal wire ?

Last Answer : Free electrons in electrically conductive metal wires are conductors of electricity.

Description : What are the properties of electrically conductive matter ?

Last Answer : Characteristics are 1) High electrical conductivity 2) High tensile strength 3) Must be cheap in price 4) Should not be brittle.

Description : Why are metals called electrically conductive ?

Last Answer : Electrons can move freely through metals , so metals are called electrically conductive.

Description : What electricity is used in conductive wire ?

Last Answer : Conductive wires are used to conduct electricity.

Description : Why is the human body called conductive ?

Last Answer : Electricity flows through the human body so it is called conductive

Description : On what does the resistance of conductive wire depend ?

Last Answer : Depending on the area of the cross section

Last Answer : Covalent qualified electrical conductor

Last Answer : Ionic compounds are electrically conductive

Last Answer : A substance that cannot conduct electricity is called non-conductive

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Description : computer In the case Information Of transportation For Conductive On the way What? Say ?

Last Answer : Computer In the case Information Of transportation For Conductive On the way Live Says.

Description : What is a conductive shirt?

Last Answer : Conductive? Maybe such ..... to be seductive, seductive (inlove)

Description : How much more thermally conductive are copper pots and pans compared to aluminum or stainless steel?

Last Answer : Copper is amongst the most thermally conductive material on the market. In most cases, copper is too hot for most cooking purposes, which is why aluminum and stainless steel are more popular.

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Last Answer : if you are looking for a speciality item, take a look here. I hope this was what you meant, since it can also be confused with other things. http://www.therapistschoice.com/Products/pproducts.asp?pMode=New&NavbarMode=Product&pCategory=PAIN%20MANAGEMENT

Description : Are All Conductive Polymers, Conjugated Polymer?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Description : Coast Guard Regulations (46 CFR) require each switchboard to have ___________. A. non-conductive deck covering at the frount B. non-conductive deck coverings at the rear C. a name plate for each circuit breaker D. all the above

Last Answer : Answer: D

Description : Routine maintenance of dry-type transformers should include ______________. A. preventing the entrance of water from broken pipe lines steam lines B. keeping protective surfaces and insulating bushings free of ... debris C. periodic testing of insulation resistance with a megger D. all of the above

Last Answer : Answer: D

Description : Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the (A) Maximum resistance in the series (B) Sum of all resistances (C) Average of all resistances (D) Minimum resistance presents in the series

Last Answer : (B) Sum of all resistances

Description : Define photo conductive polymer. Give its examples and applications.

Last Answer : Photo conductive polymer: These are the polymers which conduct electricity only in the presence of light. Examples: i) PVK or poly(N-vinyl carbazole ) ii) Poly (vinylpyrene),iii) poly(2- ... resistors are often used include camera light meters, street lights, clock radios and infrared detectors.  

Description : Define the terms: i) Photo conductive polymers ii) Liquid crystal polymers 

Last Answer : i) Photo conductive polymers: These are the polymers which conduct electricity only in the presence of light.  ii) Liquid crystal polymers: These are a class of aromatic polyester polymers. These polymers have tendency to align their chains parallel over a long distance from their melt or solution.

Description : If the conductive loop on the rotor of a simple two -pole, single-phase generator rotates at the rate of 400 rps. The frequency of the induced output voltage will be: A. 40 Hz B. 100 Hz C. 400 Hz D. indeterminable

Last Answer : If the conductive loop on the rotor of a simple two -pole, single-phase generator rotates at the rate of 400 rps. The frequency of the induced output voltage will be: 400 Hz

Description : A highly conductive material must have?

Last Answer : A highly conductive material must have highest conductivity, lowest temperature co-efficient, good mechanical strength, good corrosion resistance, easy solderable and drawable quality.

Description : The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol

Last Answer : Ans:(c)

Description : Which of the following statements is not true about diamonds? (a) It is the purest form of carbon (b) It is the hardest naturally occurring substance (c) It is a good conductor of ... diamonds can be prepared by subjecting a solution of pure carbon in iron to very high pressures and temperatures

Last Answer : Ans:(c)

Description : Which substance is a bad conductor of electricity but a good conductor of heat

Last Answer : Mica

Description : A permeable substance is one (a) which is a good conductor (6) which is a bad conductor (c) which is a strong magnet (d) through which the magnetic lines of force can pass very easily

Last Answer : (d) through which the magnetic lines of force can pass very easily

Description : What determines whether a substance is a conductor or an insulator?

Last Answer : The number of valence electrons.

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Last Answer : Answer : 1. Iron 2. President 3. Mica 4. 0°E or W 5. Gandhara 6. National income 7. Faiz Ahmed Faiz 8. 8 9. Divergent movement 10. Shahjahan 11. The President 12. Black 13. Amir ... Ram Das 16. Prime Minister 17. Artery 18. Defence Minister 19. Geographical Survey of India 20. Subhash Chandra Bose

Description : What are the advantages of high resistance of conductor ?

Last Answer : : The resistance and melting point of nichrome is much higher than that of copper. Due to the high resistance, a lot of heat is generated when electricity flows through the nichrome wire. ... high resistance and melting point of tungsten, it can easily convert electrical energy into light energy.

Description : Why does the resistance of the conductor increase when the temperature increases ?

Last Answer : Because the vibrations of the atoms inside the conductor increase.

Description : Why is metal an electric conductor ?

Last Answer : : Metals donate electrons and electron donors are electricity carriers. Because it moves by donating electrons. And by this movement electricity is generated. So metal is electrically conductive.

Description : Which is a good conductor of electricity?

Last Answer : – Human body

Description : What is the best conductor of electricity?

Last Answer : – Salt water

Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body

Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.

Description : Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Last Answer : (2) it prevents electric shock Explanation: Wood is a bad conductor of heat due to the arrangement of its molecules. As the molecules of wood are far from each other, they cannot pass heat through them.

Description : Woollen cloth protects the body from cold because – (1) it is a good conductor of heat (2) it is a poor conductor of heat (3) external heat rays enter into the body through the woollen cloth (4) it reflects heat

Last Answer : (2) it is a poor conductor of heat Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. It reduces heat loss because it is an insulator or poor conductor of heat.

Description : Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

Last Answer : (2) Wool is a had conductor Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an ... have a greater bulk than other textiles, and retain air, which causes the product to retain heat.

Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral

Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.