Most wires that are good conductors are wrapped in an insulator to keep people from being shocked when they touch them.

Q: Why are the tires of trucks carrying gasoline and other flammable fluids manufactured to be…

A: Tires are made up of rubber. And rubber is the bad conductor of electricity. So, tires act as the…

Q: Whenever there is a net flow of charge through some region, an electric current is said to exist.…

A: True , Whenever there is a net flow of charge through some region, an electric current is said to…

Q: 46. Y X The resistance of an The cross-sectional area of the conductor ohmic conductor of constant…

A: Answer :- graph (A) shows the best relationship between x and y. Because :- Let  R = Resistance of…

Q: What amount of charge passes through a 3.0 amp television in 1.3 hours?

A: Given The current passes through television is i=3 A. The time up to which the current flows…

Q: Which of the following best describes drift velocity? a.The speed at which electrical signal…

A:

Q: How is the grounded conductor in a flat multi conductor cable 4 or larger

A: Introduction:   It is here to introduce that the grounded conductor in a multi conductor cable is…

Q: Why is the outer layer of a wire made from an insulator and the inner layer made of conductors?

A: Insulators are materials which do not conduct electricity or are poor conductors of electricity.…

Q: Which is true of the material that makes up high resistance wires? A. The wire is made using more…

A: Resistance is the hindrance or opposition offered to the current in a wire. Resistance is directly…

Q: If a charge of 0.30 C passes through a person’s chest in 1.0 s, the heart can go into ventricular…

A: Given: The charge is Q=0.3 C. The time taken by the charge to pass through person's chest is t=1 s.…

Q: The base of an electric iron is brightly polished mainly   A) to make it smooth and frictionless B)…

A: Heat transfer is the phenomenon in which the thermal energy gets exchanged with time. Radiation is a…

Q: An electrical conductor has a net charge of -6.4 x1o-19 C. How many excess electrons does it…

A:

Q: A charged conductor is in electrostatic equilibrium. The electric field just outside of is always…

A: A charged conductor is in electrostatic equilibrium. The electric field just outside of its surface…

Q: Newspaper articles often have statements such as “10 000 volts of electricity surged through the…

A:

Q: What are the properties of a conductor in electrostatic equilibrium?

A: A conductor is a material which can allow the electric current to pass through it.

Q: Why are the conductors of electric heating devices, such as bread-toastersand electric irons, made…

A: In most of the electric heating devices like bread toasters, and electric irons, alloy is used as…

Q: 11. Which is an example of conduction current? (a) A moving charged belt (b) Electronic movement in…

A: Conduction current:                                   Current due to the uniform flow of electrons…

Q: In Metal (Conductor) there is no(………

A: We already know that a Conductor material contain free charges and these free charges can move…

Q: An electrified needle is used to burn off warts, with the circuit being completed by having the…

A: An electrified needle is used to burn off warts.

Q: The motion of muscles in the body is due to the _____________ force.

A: The motion of muscles in the body is due to the inter-muscular interaction force.

Q: How to determine the electrical resistance of a given material?

A:

Q: Why the electric wire that is connecting in the post outside a little bit saggy and not tightly tied

A: To explain: The reason why the electric wire is not tightly tied.

Q: Why does a shirt or blouse taken from a clothes dryersometimes cling to your body?

A: When the clothes are mixed and dropped in the dryer, then they will rub each other and creates a…

Q: Good conductors of electricity are often good conductors of heat. Why might this be?   We are…

A:

Q: What best characterizes electrical conductors? O electric charges move freely O low mass density…

A: Electrical conductors are those materials that have electric charges that move freely.

Q: Why are electrons, rather than protons, the principal charge carriers in metal wires?

A: Given:  charge carriers in metal wire

Q: Materials that allow electricity to flow are called:  A) Insulators B) Conductors C) Electron flows…

A: The conductors are the materials which allows the flow of current through them are called…

Q: Why are electric wires are coated with PVC or a rubber-like material?

A: Electric wires are made of conducting materials like copper, but their coating is done with the help…

Q: Is the object in Figure a conductor or an insulator? Justify your answer.

A: It is the characteristic of a conductor that has the charges which move freely, and the net charge…

Q: Why do some electrical devices not have an earth wire?

A: Earth wire

Q: What is the electric current in an average lightning bolt? How much charge (in Coulombs) is…

A:

Q: If you bring a charged object near an electrically neutral surface without allowing the object to…

A: There are different methods to charge an electrically neutral object, it can done by friction,…

Q: How conductors like metal surfaces help with getting rid of static electricity on your clothes ?

A: By rubbing clothes  gets static charges,these static charges remain there until it is discharged…

Q: MCQ 23: Charge to mass ratio was first calculated by A. J.J.Thomas B. Thomas Edison C.J.K Thomas D.…

A:

Q: The field lines around a straight conductor are drawn in clockwise circles around the conductor. The…

A: Direction of current and magnetic field

Q: How about in cloudy day does it charge? as long as it has a daylight?

A: To answer your question – Yes, the solar panels do work on cloudy days. They just do not work as…

Q: What is the current when a typical static charge of 0.250 μC moves from your finger to a metal…

A: The equation for the current passing from the metal knob is

Q: Which of the following is true? The charge carriers in a conductor moves in a straight path when a…

A: The current flows in a conductor due to the presence of free electrons. The electrons are moving…

Q: induce

A: Answer

Q: Why do clothes often cling together after tumbling in clothes dryer?

A:

Q: Explain the properties of myelinated nerves in terms of the insulating properties of myelin.

A:

Q: A net charge of 39 mC passes through the cross-sectional area of a wire in 22 s. HOw many electrons…

A: Given data The magnitude of the charge is Q = 39 mC The time interval is taken to cross is t = 22 s…

Q: What makes a material a better conductor (of electricity) than another material?

A: What makes a material a better conductor.

Q: electrons crossing a point in the wire

A: