Describe how an insulator can acquire a change?

Q: Choose the BEST answer to the following: Thermal conduction mainly involves (a) electrons. (b)…

A: Step 1Metals such as steel, copper and aluminum are excellent thermal conductors.

Q: Physical or Chemical change? O neither O both O physical O chemical

A: Introduction: Physical change: Physical change is the change in size, shape, or state of the…

Q: when our bodies are hot they produce sweat, which helps to cool us down. Using this fact determine…

A: Our body skin is insulator as well as conductor depending on the situation. If outside temperature…

Q: Why does the ability of a metal to conduct electricity decrease with increasing temperature?

A: SOlution: how does the ability of a metal to conduct electricity affect with increasing temperature.

Q: Discuss the scientific and technological impact of a material that becomes a superconductor at room…

A: The materials that show superconductivity at room temperature or nearly room temperature have…

Q: . Which among the plots shown represents the IV curve of an ohmic material? (a) (b) (c) (d) I L

A: Any electrical conducting material that obeys Ohm's law, where the current through the device is…

Q: Relationship between specific heat of Copper lead and Aluminum

A: The specific heat capacity of Copper is 0.385 J/goC

Q: Which of the following represents the characteristic curve of a NON-ohmic material? Choices:  A…

A:

Q: What properties of metal make them conduct heat better than wood?

A: A metal is a good conductor of heat whereas a wood is a bad conductor of heat. Metals have more…

Q: Why does the conductivity of metals decrease with increase in temperature?

A: Decrease in conductivity of metal with the increase in temperature: In metals, there are free…

Q: What physical property of a metal is preferred when making musical instruments? a) Ductile b)…

A: Answer:       Sonorous property.

Q: Two safety pins, identical except that one is latched and one is unlatched, are placed in identical…

A:

Q: Given the atmospheric pressure of 14.7psia (29.92 in Hg abs), convert 15 in Hg vacuum to Asia.

A:

Q: OI only OIl only IIl only OI and II only 1, Il and III

A: in all three of them i.e (i),(ii) and (iii) ameter is connected correctly

Q: What is an ohmic material? What happens to the current through the ohmic material is the voltage is…

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Q: is an example of a semiconductor material O a. silver O b. silicon O c. gold O d. carbon

A: Silicon Silicon is an example of a semiconductor material.

Q: How do you solve for a specific heat of a metal?

A: The amount of heat required to raise the temperature of a body depends on the following factors: On…

Q: State the reason, why GaAs is most commonly used in making of a solar cell.

A: GaAs is Gallium Arsenide. It is a semiconductor material. GaAs is an alloy made up of Gallium and…

Q: 4 Conductivity of Select Materials Conductivity Material (1/(2 m)) Aluminum 3.77 x 107 Copper 5.95 x…

A: If conductivity of  material will be large then it's resistance will be low and therefore energy…

Q: Give two types of conduction .

A: Conduction is broadly classified into two types : 1. Conduction of heat - When a substance is…

Q: Can a diamond conduct electricity?

A:

Q: Thermography is .A different temperatures .B mapping .c two different metals .D consists of two…

A: Thermography is mapping to create thermal maps for survey, that is used for different purposes. Also…

Q: ess of coating (n = 6/4

A:

Q: What is a property of most metals? A) Conductivity B) Malleability C) Luster D) All of the above

A: Properties of metal separated into two:    One is Physical properties and another one is chemical…

Q: What Is Activation Energy? How Is It Calculated?

A: Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or…

Q: Write the application of Boyle's law in daily life.

A: Boyle’s law is a gas law which states that the pressure exerted by a gas (of a given mass, kept at a…

Q: Dry table salt is an insulator but molten salt is a conductor. Explain?

A: In dry table salt negative and positive ions are bound to each other and cannot move freely when…

Q: Aluminum 1 Germanium 2 Hard rubber 3 Glass 4

A: To determine: From the given options, which is a conductor material

Q: Explain the difference between intrinsic and extrinsic conduction. Use diagrams where appropriate.

A:

Q: Why is aluminium used in the distribution and transmission of electricity but not copper

A: Given: Why is aluminium used in the distribution and transmission of electricity but not copper

Q: Water is used in hot water bottles for fomentation. Give a reason.

A:

Q: Describe the principles of Electro-osmosis.

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Q: 2Ω 4Ω www Ε 6Ω 4Ω. ,5Ω Α Β

A: Here, 2Ω resistor and the 4Ω resistor between the points C and E are in series. So, their equivalent…

Q: What happens when a charged insulator is brought near and uncharged metallic substance

A: Insulator is a material that does not conduct a electric current whereas metallic conductors…

Q: Explain what electrostatic equilibrium is and how a conductive material reaches this

A: Electrostatic equilibrium in which charges are quickly distributed throughout that the net internal…

Q: What state is Br2 in the following equation? S (s) + Br, (1) → SBr, (g) Solid O Liquid Gas Aqueous

A: The letter in parenthesis after the chemical formulas represents the state of that element or…

Q: Explain ohm's law for ohmic materials

A: Ohm's law states that current flowing through a substance is directly proportional to the voltage…

Q: Metals have a good conductivity for heat and electricity O False O True

A: As we know, Metals have abundance of free electron that carry current so that is why metals are good…

Q: Dry table salt is an insulator whereas molten salt is a  conductor. Why?

A: The flow of free electrons is called current. The electrical conductivity is the ability of a…

Q: Soldering becomes easy due to the addition of flux. Why?

A: Step 1A flux is a chemical cleaning agent which have function is metallurgy and metal joining. Some…

Q: Pure water is an insulator whereas salty water is a conductor. Why?

A: It is a true statement that pure water is an insulator whereas the salty water is a conductor.