Description : Which of the following is a conductor of electricity? (1) Rubber (2) Pure water (3) Salt water (4) Benzene
Last Answer : (3) Salt water Explanation: Pure water is actually an extremely poor conductor, but saturated salt water is a good conductor. The saltier the water, the better the conductance. The reason it ... charged Chlorine CF. When current is applied, it is easily conducted by the highly charged ions.
Description : Pure water is bad conductor of electricity because it is – (1) feebly ionized (2) not volatile (3) a very good solvent (4) a non-polar solvent
Last Answer : (1) feebly ionized Explanation: Pure water is a covalent compound. It exists as simple discrete molecules and have a simple molecular structure. Hence, it does not exist as ions. Therefore, ... into hydrogen ions and hydroxide ions. The presence of mobile ions enables it to conduct electricity.
Description : Pure water is bad conductor of electricity because it is (1) feebly ionized (2) not volatile (3) a very good solvent (4) a non-polar solvent
Last Answer : feebly ionized
Description : Which of the following is a good conductor of heat but a bad conductor of electricity? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica
Last Answer : (4) Mica Explanation: Good conductors of heat are good conductors of electricity. Mica is an exception which although being a good conductor of heat and a bad conductor of electricity. It is commonly ... to assist in the transfer of the generated heat to the heat sink or chassis for dissipation.
Description : Which of the following is a good conductor of heat but a bad conductor of electricity ? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica
Last Answer : Mica
Description : Pure water is a bad conductor of electricity because it is
Last Answer : Feebly ionized
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 : 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
Description : Electricians use rubber gloves while working because - (1) rubber is an insulator (2) rubber is a good conductor (3) wearing rubber gloves is mandatory (4) rubber makes work easy
Last Answer : (1) rubber is an insulator
Description : Which of the following are bad conductors of electricity? (1) Mica and Quartz (2) Metals and Rubber (3) Metals and Mica (4) Mica and Rubber
Last Answer : (1) Mica and Quartz Explanation: Metals are good conductors of electricity, because they have free electrons. Micaand quartz are examples of insulators (bad conductors of electricity), they don't have free electrons.
Description : Which of the following is the best conductor of electricity? (1) Ordinary water (2) Sea water (3) Boiled water (4) Distilled water
Last Answer : (2) Sea water Explanation: Sea water is a "good" conductor. It has a resistance and resistance increases by distance. So if you dip a very high voltage electric wire in the ocean, the area around it (even 100 meters or more based on how high it is) gets electric.
Description : Which of the following is the best conductor of Electricity? (1) Ordinary water (2) Sea water (3) Boiled water (4) Distilled water
Last Answer : (2) Sea water Explanation: It sounds crazy, but it's true! This is because Sea water has Salt that is a good conductor of electricity. Salt molecules are made of sodium ions and chlorine ions.
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 : Copper wires are generally used for electrical power transmission instead of iron wire because (1) copper is cheaper than iron (2) copper is lighter than iron (3) copper is a better conductor of electricity than iron (4) copper can take higher power than iron
Last Answer : (3) copper is a better conductor of electricity than iron Explanation: Copper is generally preferred for electrical power transmission instead of iron because of its high electrical conductivity and low resistivity.
Description : Which of the following is a good conductor of heat but bad conductor of electricity? (1) mica (2) asbestos (3) celluloid (4) paraffin wax
Last Answer : (1) mica Explanation: Mica is a good conductor of heat but bad conductor of electricity.
Description : The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver
Last Answer : (4) silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).
Description : Solids which conduct electricity at higher temperature but not at lower temperature are called (1) super-conductor (2) metallic-conductor (3) semi-conductor (4) insulator
Last Answer : (3) semi-conductor Explanation: Semiconductors are insulators at low temperatures and reasonably good conductors at higher temperatures. As temperature increases, the semiconductor material becomes a better and better conductor.
Description : Which one of the following non-metals is not a poor conductor of electricity? (1) Sulphur (2) Selenium (3) Bromine (4) Phosphorus
Last Answer : (2) Selenium Explanation: Selenium is a non-metallic element; it is not a very good conductor of heat and electricity.
Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver
Last Answer : (4) Silver Explanation: Copper: 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.
Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver
Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).
Description : Good conductor of electricity is – (1) dry air (2) paper (3) kerosene (4) graphite
Last Answer : (4) graphite Explanation: Graphite has a tendency to behave very much like a metal because the carbon molecules arrange themselves into a lattice structure. The crystal lattice is the same orientation that ... better than the dry air paper and kerosene and that's what makes it a good conductor.
Description : Copper wires are generally used for electrical power transmission instead of iron wire because : (1) copper is cheaper than iron (2) copper is lighter than iron (3) copper is a better conductor of electricity than iron (4) copper can take higher power than iron
Last Answer : copper is a better conductor of electricity than iron
Last Answer : semi-conductor
Description : Which of the following is a good conductor of heat but bad conductor of electricity ? (1) mica (2) asbestos (3) celluloid (4) paraffin wax
Last Answer : mica
Last Answer : Silver
Description : Good conductor of electricity is (1) dry air (2) paper (3) kerosene (4) graphite
Last Answer : graphite
Description : Benzene is used (A) As a motor fuel (B) As an explosive (C) For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) (D) As a perfume
Last Answer : (C) For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) (D) A
Description : The amount of benzene present in pure Benzol is about __________ percent. (A) 30 (B) 50 (C) 70 (D) 90
Last Answer : (C) 70
Description : Synthetic detergents are made from – (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate
Last Answer : (2) Sodium salt of benzene sulphonic acid Explanation: Synthetic detergents are made from sodium salt of benezene sulphonic acid.
Description : Synthetic detergents are made from (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate
Last Answer : Sodium salt of benzene sulphonic acid
Description : Pick out the wrong statement. (A) Pure rubber is as useless as pure gold as a material of construction (B) Thermal conductivity of aluminium is higher than that of copper; henceit is ... has poor weldability (D) Reinforced plastics are made from both thermoplastic as well as thermosetting plastics
Last Answer : (B) Thermal conductivity of aluminium is higher than that of copper; henceit is increasingly used for utensil making
Description : In a barometer, mercury is preferred over water because (a) mercury is a good conductor of heat (b) mercury is shining and therefore its level can be read easily (c) mercury is available in pure form (d) mercury has high density and low vapour pressure
Last Answer : Ans:(d)
Description : Is Rubber insulator or conductor?
Last Answer : Rubber is an insulator.
Description : Which of the following types of insulation will begin to deteriorate FIRST as a result of the heat generated in the conductor it surrounds? A. Varnished cloth B. Rubber C. Silicon D. Asbestos
Last Answer : Answer: B
Last Answer : Rubber is a insulator it do not allow flow of current so electricity can not flow through rubber.
Description : Which is least Conductor of Electricity among the following? A. Wood (Answer) B. Copper C. Iron D. Water
Last Answer : A. Wood (Answer)
Description : Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these
Last Answer : B. Pure-Conductor (Answer)
Description : A pure semiconductor under ordinary conditions behaves like (A) a conductor. (B) an insulator. (C) a magnetic material. (D) a ferro-electric material.
Last Answer : (B) an insulator.
Description : Each clue leads to a word beginning with B.A.T. 1. A BAT used by an orchestra conductor. 2. This BAT fight crime. 3. A BAT that you soak in. 4. Which BAT stores electricity? 5. This naval BAT sails the sea. What are the answers? -Riddles
Last Answer : 1. BATon 2. BATman 3. BATh 4. BATtery 5. BATtle ship
Description : Which is the best conductor of electricity ? -General Knowledge
Last Answer : The answer is 'Silve'
Description : What is the best conductor of electricity? -Do You Know?
Last Answer : answer:
Description : Which is a good conductor of electricity? -Do You Know?
Description : Which of the following metals is the most efficient conductor of electricity? -General Knowledge
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 : Is an pencil a conductor of electricity?
Last Answer : The wood in a pencil is not a conductor but the graphite lead ina pencil is a somewhat good conductor.
Description : Why gold are good conductor of heat and electricity?
Last Answer : What is the answer ?
Description : Is a juice can a good conductor of electricity?
Last Answer : I think. Water is one.