Describe the origins of the magnetic field of the Earth. Describe what is meant by magnetic fieldstrength and state its unit of measurement in SI units.Select one or more:a. Magnetic field strength is measured in amperes per meter squared.b.О с.d.The magnetic field strength B is the value of the current in the loop per unit area.The magnetic field of the earth is caused by electric currents inside the molteniron core of the Earth.The magnetic field strength B is defined as the force acting per unit current in a wireof unit length when the wire is perpendicular to the magnetic field lines.e.The magnetic field of the earth is caused by Earth's rotation around the Sun.☐ f. Magnetic field strength is measured in Tesla.

The Earth's magnetic field originates from its core, specifically from the outer core, which is…

Answered: Describe the origins of the magnetic…

Inquiry into Physics

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Chapter8: Electromagnetism And Em Waves

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Describe what is the cause of the magnetic field of the Earth. Describe what is meant by magnetic field strength and state its unit of measurement. Select one or more: а. The magnetic field of the earth is caused by Earth's rotation around the Sun. b. The magnetic field strength B is the value of the current in the loop per unit area. c. Magnetic field strength is measured in amperes per meter squared. d. The magnetic field strength B is defined as the force acting per unit current in a wire of unit length when the wire is perpendicular to the magnetic field lines. e. Magnetic field strength is measured in Tesla. f. The magnetic field of the earth is caused by electric currents inside the molten iron core of the Earth.
A. What is electromagnetism? B. How does electromagnetism affect the earth's magnetic field? C. What is the effect of electromagnetism in our daily lives?
1. A tesla is an SI-derived unit for the strength of a magnetic field. A scientist measures a magnetic field of strength 12.4 microteslas. Express this value in the base unit of teslas, writing your answer in standard notation. 2. Express the value 12.4 microteslas in the base unit of teslas, but write your answer in scientific notation.
a. Draw the earth magnetic field and show where the intensity is the strongest and weakest. b. Show and explain how the magnetic field protects us. C. a. Define energy and renewable energy. Give three example of renewable energy sources. Give three examples of non-renewable energy. d. What is the difference between potential energy and kinetic energy. Give an example for each. 4.
1. T/F: The strength of an electromagnetic wire is concentrated inside of the loops of a curved wire magnet. 2. The Earth's Magnetic Field is caused by? 3. True/False: Geographic North changes slowly from year to year. 4. Ferromagnets are magnetic because? 5. The more concentrated the field lines in one area, the ______ the electromagnetic force. 6. T/F: Magnetic Field lines always move from North to South. 7. Magnetism is caused by the movement of electrons with the _________ rotational spin in an electron cloud. 8. True/False: Electromagnetic Forces always move from South Poles to North Poles.
1. What do you call the field produced by accelerating electric charges? 6. Which of the following is NOT correct about the Biot-Savart law? A. The magnitude of thee magnetic field is directly proportional to the current through the conductor. B. The magnitude of the magnetic field is directly proportional to the length of the current element. C. The magnitude of the magnetic field is directly proportional to the square of the distance from the current element. D. The magnitude of the magnetic field is inversely proportional to the square of the distance from the current element. 10. What law is considered an equation that describes the magnetic field created by a current-carrying wire, and allows you to calculate its strength at various points? A. Lenz’s Law B. Ampere’s Law C. Faraday’s Law D.…
Physics 2. The right-hand rule allows one to find a property of the interaction of a magnetic field with a charged particle. The right-hand rule applied to moving charges: a. results in positive charges moving clockwise. b. results in negative charges moving clockwise. c. can be used for positive charges only. d. gives the direction of the force on a charge moving in a magnetic field.
6. A power line carries a current of 95 A west along the tops of 8.5 m high poles. a. What is the magnitude and direction of the magnetic field produced by this current at the ground directly below? Direction: b. How does this compare with the Earth's magnetic field of about 0.5 x 104 T? (How many times stronger [weaker] is this magnetic field to the earth's magnetic field?) c. Where would the wire's magnetic field cancel the Earth's field?
1. For the permanent magnet shown below, draw its magnetic field lines both inside and outside of the magnet.. N S What happens to the North and South poles if you break the magnet in half? Label the appropriate North and South ends for each half. What if you break each piece in half again? And again and again, until you get to what the Greek Atomists called 'the indivisible', or 'the atom'?
Which of the following statements is/are true as it relates to magnetism? a.The number of magnetic field lines that terminates at a magnetic pole is twice the number that travels within the magnet. b.Internal to a magnet, its field lines originate at the South pole but terminates at its North pole. c.Diamagnetic materials form the strongest magnets of the three types of magnetic materials. d.Continuous division of a magnet produces a smaller magnet with each fragment having a North (in the direction where the North Pole of the mother magnet was) and South Pole (in the direction where the South Pole of the mother magnet was). e.Only 2 recorded observations suggest that a magnetic South Pole can exist distinct and separate from a corresponding North Pole.
1. In a few sentences, describe how magnetic force is defined. We've learned about the right hand rule in class. Determine the direction of force for a charge qo moving in a uniform magnetic field in the positive +i direction with velocity v = 23 – k.
1. What is the relationship between voltage and magnetic field strength in an electromagnet? 2. Discuss the effect of changing the voltage to the current and magnetic field strength of the electromagnet. 3. What is the relationship between magnetic field strength and position? Answer in 2-3 sentences.

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