Which of the Following Can Produce Magnetic Fields

B moving electric charges. Earths magnetic field forms as a result of.

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MCQ in Electricity and Magnetism Fundamentals.

. 2 A second current or charge responds to the magnetic field and experiences a magnetic force. A magnetic field can be created by running electricity through a wire. There are no magnetic field lines outside the magnet.

Even the magnet on your fridge is magnetic because it contains. The charge must be at rest. The following are the three sources of magnetic fields.

Electric current produces a magnetic field. A magnetic storm is a period of rapid magnetic field variation. Permanent magnets are the most common sources of the magnetic field.

A Electric charges at rest b Electric charges in motion c Only by permanent magnets. Which of the following can produce a magnetic field. Each segment of current produces a magnetic field like that of a long straight.

As we know that time varying electric field can induce displacement current in the space. View solution Magnetic field. The charge must be in motion.

Each segment of current produces a magnetic field like that of a long straight wire and the total field of any shape current is. This gust of solar wind disturbs the outer part of the Earths magnetic field which undergoes a complex oscillation. D A time-varying magnetic field will produce an electric field.

Magnetic fields can be used to induce electric currentsThis is now called the principle of magnetic inductionIt is interesting to note that. A A coil of wire carrying an electric current can produce a magnetic field. All of the following elements produce magnetic fields except for A.

Indicate which of the following will produce a magnetic field. All of the above. A magnetic field is produced by moving electric charges and intrinsic magnetic moments of elementary particles associated with a fundamental quantum property known as spin.

A A time-varying electric field will produce a magnetic field. Magnetic field lines point outward from the south pole of a magnet. A Magnetic field exists in the region surrounded by a bar magnet and is characterised by strength and direction.

The charge must be positive. Exert forces on each other as well as on unmagnetized Fe pieces. There are no magnetic field lines unless iron filings are present.

When electric currents flow magnetic fields form. Magnetic field lines form in concentric circles around a cylindrical current-carrying conductor such as a length of wire. Which of the following statements is false.

We have seen how Ørsted was able to demonstrate that electric currents can produce magnetic fields. BY USING permanent magnet we can produce magnetic field and can visualize by spreading iron filings on a white paper keeping magnet beneath the paper. C A wire carrying an electric current can affect a compass.

The Sun sometimes emits a strong surge of solar wind called a coronal mass ejection. Moving electrical charges d. The charge must be negative.

D A coil of wire carrying an electric current is a permanent magnet. Information about the number of people who visited the website and the number of costumes purchased in a single day is listed below. For those on plato Advertisement.

The simplest current we can come up with is a current flowing in a straight line such as along a long straight wire. 1 A moving charge or collection of moving charges eg. B A coil of wire carrying an electric current is an electromagnet.

Magnetic field lines point in towards the north pole of a magnet. It can last from hours to days. The magnetic field from a such current-carrying wire actually wraps around the wire in circular loops decreasing in magnitude with increasing distance from the wire.

So it will induce magnetic field given as. Moving point charges such as electrons produce complicated but well known magnetic fields that depend on the charge velocity and acceleration of the particles. Magnetic storms have two basic causes.

The English physicist Michael Faraday a brilliant experimentalist was the first to demonstrate the converse effect. The physical law that states that the magnetic field around an electric current is proportional to the current. So we will have.

A A magnet b earth c electric charge at rest d moving electric charge e electric current f voltage of a battery not connected to anything g ordinary piece of iron h a piece of any metal. All magnetic fields are created by moving charged particles. Which of the following can produce magnetic fields.

A magnetic field can be produced by. Magnetic field and electric field are both interrelated and are components of the electromagnetic force one of the four fundamental forces of nature. A constant electric current produces an unchanging magnetic field and a changing electric current produces a changing magnetic field.

Here players can buy and sell these costumes online. Now similarly time varying magnetic field can induce electric field by. The charge must be in motion.

A 33 Part a Which of the following statements about magnetic fields are true. An electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines circling a wire.

The magnetic field produced by currents in wires. The magnetic field produced by permanent magnets is not different from the one produced by electromagnet. For an electric charge to produce a magnetic field which of the following must be true.

Earths magnetic poles are aligned with Earths rotational axis. Earths rotation produces an electric current that flows through Earths outer core. All of the following elements produce magnetic fields except for A.

Static electrical force c. Methods of producing magnetic fields. View solution List the factors on which the strength of magnetic field produced by a a current-carrying straight conductor b current carrying solenoid depends.

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