Besides tungsten, what other materials are used for cathodes in vacuum tubes? 2. What is the advantage of directly heated cathodes?

Q: How does dielectric breakdown occurs?

A: Materials that do not allow electric current to flow through are called insulators. Glass, rubber,…

Q: Two charges are arranged on a number line. A positive 3C charge is located at zero. A  negative 5C…

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Q: Write a question appropriate for this course about the amount of charge stored in a large capacitor…

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Q: The distinction between an insulator and a conductor can be explained in terms of a semiconductor,…

A: An insulator is a material that does not conduct electricity. A conductor is a material that does…

Q: compare dielectric properties of oil with solid insulators and liquid insulators ??????

A: Insulators:- A substance that prevents the free flow of electrical current is known as an electrical…

Q: 24 - Charging an object by induction requires .............. ?     A) rubbing after contact  B)…

A: Choose the correct option Charging an object by induction requires...

Q: A straight wire of radius b is made up of a nonuniform material for which the conductivity varies as…

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Q: Four q=2.00 nC point charges are located at P1(0.00, -2.00, 0.00)m, P2(0.00, 2.00, 0.00)m, P3(0.00,…

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Q: A nickel chromium alloy conductor of resitance 24 ohms is 110 inches long and has a resistivity of…

A: Given Resistance of conductor R =24 Ω Length of conductor =l= 110 inch resistivity =ρ =640 Ω -CMft…

Q: Four point charges q1 = 43.00 nC, q2 = –37.00 nC, q3 = 3.00 nC and q4 = 38.00 nC are found at the…

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Q: An ebony circular disk has a uniformly charge density of 2 C per square meter. The radius of the…

A: Given, A uniform circular disk has a uniform charge density ρ=2 C/m2. Radius of the disk r=1 cm.

Q: A copper wire of radius a = 0.172 mm has an aluminum jacket of outer radius b = 0.231 mm. There is a…

A: Data Given ,  Inner Radius of the wire ( a ) = 0.172 mm = 0.172 × 10-3 m Outer Radius of wire ( b )…

Q: Four unknown point charges are heid at the corners of a swuare.Suppose q, is at equilibrium and q -…

A: First we will find out net force on charge particle q4 then we will equivate it to zero to calculate…

Q: The potential at a point due to a charge of 100 micro coulomb at a distance of 9m will be

A: The potential at a point due to a charge at a distance of 9m ?  Charge Q = 100 micro coulomb

Q: Problem 2.11: In the magnetic circuit shown in Figure 2.68, the number of turns N is 1,000, the…

A: Given Number of turns =N=1000 Current through coil ,i=cos50000t Cross sectional area of core , A =1…

Q: 15. Which of the following is TRUE? a. A conductor has a large amount of energy gap between…

A: Conductor - A conductor is a type of material that allows the electric current to flow through it…

Q: what is the definition of continuous volume charge distribution?

A: In this question we will define continuous volume charge distribution....

Q: What is the electric field at a point (the black dot) that is 10 cm from a +1 nC charge? Draw an…

A: An electric field is a vector field that surrounds electric charges and exerts a force on other…

Q: Assist

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Q: What will be the charge to mass ratio of electrons?

A: The explanation is as follows.

Q: A metallic conductor, …… .. Please choose one: a. there are four electrons in its outer shell. b. it…

A: Metallic conductors have loosely bound electrons. But overall the conductor is neutral.

Q: Why does white phosphorus consist of tetrahedral P4 molecules while nitrogen consists of diatomic N2…

A: Concept: The smallest physical unit of an element or compound consisting of one or more like atoms…

Q: Given Four point charges, of 1.00 nC each, located at P1(0.00, -2.00, 0.00)m, P2(0.00, 2.00, 0.00)m,…

A: Given Data:Four point charges of,Locations of, m m m mTo Find:The total force acting on the charge…

Q: Q5 Choose Two only A) Explain briefly various theories of breakdown in liquid dielectrics. B) What…

A: Here we solved 2  and 3 question Sphere gap are used for the measurement of voltage (DC or AC…

Q: The work required to move a 10 nC charge from the origin to point P0, 1, 0) against the static field…

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Q: Can you Briefly explain any four gaseous insulating materials.??

A: All gases are more or less insulators but air is the most important insulating material which is…

Q: 1. Pure germanium has (4 × 104) atom. cm doped by indium atoms, the impurity is add to the extent of…

A: Given that intrinsic concentration of Ge is 2.5*1013 cm-3. ni==2.5*1019 m-3. The mobility of…

Q: a) Assuming an infinite plate capacitor model, determine the force on an electron between the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Answer the following questions below with 2-3 sentences: 1. How Piezoelectric Effect Works? 2. What…

A: The capacity of some materials to create an electric charge in response to mechanical stress is…

Q: In the circuit, Figure (5), calculate the value of the time constant (T) by calculation and by the…

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Q: : Explain clearly various processes which explain electric breakdown in vacuum.

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Q: D. Is the potential energy of the positive point charge positive, negative, or zero? Explain.

A: Given:- Positive Point charge given…

Q: A material with high conductivity is referred to as: Select your answer. metal insulator…

A: Answer: metal   Explanation:   a. It is a valid option. A material with high conductivity is…

Q: Neglecting losses and fringing effects and assuming the substrate of a stripline to have a thickness…

A: In this question we will find required width of metal strip in order for stripline to have given…

Q: 1.What would a perfect insulator be like? Is absolutely non conducting such matter does not exist O…

A: As per company guidelines we are supposed to answer only one question. Kindly repost other questions…

Q: 3. An insulator is in the form of a linear curve (in the unit of meter) with the parametric…

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Q: In any electrically conductive substance, what are the charge carriers? Identify the charge carriers…

A: The charge carrier is a  the particle  which is free to move, that carries electrical charge in…

Q: Discuss the deflection of electron beam in a C. R.O in electric and magnetic fields.

A: A cathode ray oscilloscope (CRO) is a device used to measure electrical signals, time intervals and…

Q: The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 5.00 m, the…

A: Given values are - r=0.75mm=0.75×10-3mL=5mV=0.2VoltElectron densityn=8.10×1028m-3 Given that wire is…

Q: A negatively charged (-121 uC) block is sitting on a frictionless, flat surface. This 12 kg block is…

A: To solve this problem, we can use Coulomb's law, which describes the electrostatic force between two…

Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.