Description : Materials having resistivity ranging from 1 to 100 ohm. cm is termed as (A) Conductor (B) Insulator (C) Semi-conductor (D) None of these
Last Answer : (C) Semi-conductor
Description : Why are Metals good conductor of heat than insulator? -General Knowledge
Last Answer : The answer is 'They contain free electrons'
Last Answer : answer:
Description : Penny conductor or insulator?
Last Answer : Copper is a conductor, so and pennies are coated in copper.
Description : Is a coin a insulator or a conductor?
Last Answer : A very good conductor.
Description : Is Rubber insulator or conductor?
Last Answer : Rubber is an insulator.
Description : Is wood a conductor or a insulator?
Last Answer : Wood is a conductor, though not a very good one.
Description : Is styrofoam insulator or conductor?
Last Answer : Styrofoam is an insulator.
Description : Is copper insulator or conductor?
Last Answer : Conductor, which is why it's used for wires.
Description : Is plastic insulator or conductor?
Last Answer : Plastic is an insulator.
Description : In your own words explain the difference between a conductor and an insulator?
Last Answer : Need answer
Description : Is a brass paper fastener an insulator or conductor?
Last Answer : conductor
Description : Is a paper clip an insulator or an conductor?
Last Answer : Most paperclips are metal- conductor.
Description : Is a piece of fabric a conductor or insulator?
Last Answer : conducter
Description : Is straw a conductor or insulator?
Last Answer : Dry straw is an insulator.
Description : Is Velcro a conductor or insulator?
Last Answer : Insulator
Description : Is a dry chalkboard eraser an insulator or conductor?
Last Answer : A dry chalkboard eraser is an insulator.
Description : Is brass button a conductor or insulator?
Last Answer : It is a conductor
Description : Is a T-shirt a insulator or conductor?
Last Answer : A dry T-shirt and most other clothing has air between thethreads and acts as an insulator for cold (and electricity). Whenwet it loses its insulating properties and conducts heat so it ... Since perspiration alsohas salt secreted through the skin, it is also can act as anelectrical conductor.
Description : Is a silver a conductor or insulator?
Last Answer : is copper a conductor or insuilator
Description : Is a spoon a conductor or a insulator?
Last Answer : Conductor or
Description : Is lithiam more likely a conductor or a insulator?
Last Answer : pooop
Description : Is feather a conductor or insulator?
Last Answer : It's an insulator. It really depends on the density andthickness of the feathers but usually, it is an insulator
Description : Is a hand a insulator or conductor?
Description : Is a paperclip conductor or insulator?
Last Answer : Metal = conductor - plastic isn't
Description : Is kerosene conductor or insulator?
Last Answer : its an insulator
Description : Is a plastic plate a insulator or conductor?
Last Answer : insulator
Description : Is a aluminium fence a conductor or insulator?
Description : Is a eraser an conductor or insulator?
Last Answer : An eraser is an insulator.
Description : Is a coin a conductor or insulator?
Last Answer : A metal coin will conduct electricity.
Description : Is a copper wire a insulator or conductor?
Description : Is a staple a conductor or insulator?
Description : Is hat an insulator or an conductor?
Last Answer : Insulation
Description : Silicon is a _____. A. Superconductor B. Conductor C. Semi-conductor D. Insulator
Last Answer : ANSWER: C
Description : Stilton is a – (1) Semiconductor (2) Insulator (3) Nonconductor (4) Conductor
Last Answer : (1) Semiconductor Explanation: Silicon is a chemical element with the symbol Si and its atomic number is 14. Over 90 percent of the Earth's crust is composed of silicate minerals. Highly purified silicon is used in semiconductor electronics.
Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor
Last Answer : (2) Super conductor Explanation: Lead exhibit superconducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913. At this temperature (known as critical temperature), ... to a different phase of matter; this superconducting phase is described by the BCS theory.
Description : In a transistor, the base is _______. (1) an insulator (2) a conductor of low resistance (3) a conductor of high resistance (4) an extrinsic semiconductor
Last Answer : (2) a conductor of low resistance Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit.
Description : Ohm's law is valid in case of – (1) semiconductor (2) conductor (3) superconductor (4) insulator
Last Answer : (2) conductor Explanation: Ohm's law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. It defines the relationship between the three fundamental, electrical quantities: current, voltage, and resistance.
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 : 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.
Last Answer : (2) Super conductor Explanation: Lead exhibit super conducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913.
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 : Mud houses are cooler in summers and wanner in winters as compared to brick houses because (1) mud is a good conductor (2) mud is a bad conductor (3) mud is a poor insulator (4) evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters
Last Answer : (2) mud is a bad conductor Explanation: The houses made of mud and thatched roofs are cool in summer and warm in winter as the thatched roof contains large amount of trapped air and also mud is ... . In summer, the outside heat cannot enter the house and in winter, inside heat cannot flow outside.
Description : A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material
Last Answer : Answer: A
Description : A semiconductor is a material with a _____________. A. conductivity higher than a normal conductor B. conductivity higher than a normal insulator C. high conductivity at low temperatures D. low conductivity at high temperatures
Last Answer : Answer: B