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What would happen to the magnetic field if she connects the battery in the opposite direction the field would stop?
What would happen to the magnetic field if she connects the battery in the opposite direction? The field would stop.
What should Lionel observe during his investigation?
What should Lionel observe during his investigation? A large current forms, drops to zero, then a smaller current forms in the opposite direction. You just studied 12 terms!
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What changes will cause an increase in the magnetic field of a solenoid?
The strength of the magnetic field around a solenoid can be increased by: increasing the number of turns on the coil. increasing the current. placing an iron core inside the solenoid.
Which describes the magnetic field produced by the current?
Each segment of current produces a magnetic field like that of a long straight wire, and the total field of any shape current is the vector sum of the fields due to each segment. The formal statement of the direction and magnitude of the field due to each segment is called the Biot-Savart law.
How does the north pole of a magnet respond to the poles of other magnets?
How does the north pole of a magnet respond to the poles of other magnets? It attracts the south pole and repels the north pole. The north pole of a strong magnet is dragged down an iron nail from the top to the point 50 times.
Why magnetic field is from north to south?
When it comes to magnets, opposites attract. This fact means that the north end of a magnet in a compass is attracted to the south magnetic pole, which lies close to the geographic north pole. Magnetic field lines outside of a permanent magnet always run from the north magnetic pole to the south magnetic pole.
What is the purpose of the metal core in an electromagnet?
What is the purpose of the metal core in an electromagnet? It is magnetized by the field of the solenoid and increases the magnetic field strength.
What should Lionel observe during his investigation a large current forms drops to zero then remains at zero?
What should Lionel observe during his investigation? B. A large current forms, drops to zero, then a smaller current forms in the opposite direction.
Which statement best describes the magnetic field inside a bar magnet?
Which statement describes the magnetic field inside a bar magnet? It points from north to south. It points from south to north.
What happens to the magnetic field inside this solenoid when the length of the solenoid becomes twice for fixed number of turns justify?
We have to find the magnitude field inside the solenoid when the length of the solenoid become twice and number of turns are fixed . so , Hence, magnitude field inside the solenoid will decrease half of the initial value ,when the length of the becomes double and no of turn are fixed .
How is magnetic field produced in a solenoid used?
Answer. when electric current is passed through solenoid it produces magnetic field. Solenoid are important bcoz they can create controlled magnetic fields and can be used as electromagnet.
What is magnetic field inside a solenoid?
The magnetic field within the solenoid is uniform and parallel to the axis of the solenoid.
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How can you show that the magnetic field produced?
Answer: Magnetic field produced by electric current is decreased as the distance of the current is increased from the wire can be shown with the help of a magnetic compass. Explanation: When a magnetic compass is placed close to the current carrying conductor, it shows more deflection.
How is magnetic field produced?
Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.
How can it be shown that an electric current in a wire produces a magnetic field around it?
Place a current carrying insulated wire in between the poles of a horse-shoe magnet. As the current passes it creates a magnetic field around it given by Flemming’s Right Hand Rule.
What makes the north pole magnetic?
The data showed that the position of the north magnetic pole is determined largely by a balance, or tug-of-war, between two large lobes of negative flux at the boundary between Earth’s core and mantle under Canada.
How do you determine the north and south pole of a magnet?
- Take a magnetic compass and place it close to but not touching your magnet.
- Watch carefully at where the compass needle points. The point that normally points to the north pole of Earth should point to one end of the magnet.
- That end is actually the South pole of the magnet.
Why does a magnet have a north and south pole?
The total effect is to make a huge magnetic field that points (approximately) in the northern direction. Taking these two ideas together, then, the Earth’s magnetic field will cause the magnet to align north to south. That’s why people named them the north and south poles.
Why does compass needle always point north?
The magnetic field is a zone where the force is active along imaginary lines. From the south magnetic pole to the north magnetic pole, this force has an effect on all magnetized objects, such as the needle of a compass. Under the effect of Earth’s magnetic field, the needle always points toward the north magnetic pole.
Where is Earth’s Magnetic Pole?
Based on the current WMM model, the 2020 location of the north magnetic pole is 86.50°N and 164.04°E and the south magnetic pole is 64.07°S and 135.88°E. The locations of the poles (1590-2025) from the latest IGRF are available for download here: North Pole, South Pole.
Is the south pole magnetic?
South magnetic pole
The magnetic dip (the angle between the horizontal plane and the Earth’s magnetic field lines) is 90° at the magnetic poles. The south magnetic pole is not fixed. Its position moves about 5 km a year. The location of the south magnetic pole in 2020 is 64.07°S, 135.88°E.
Which of the following devices make use of electromagnets?
Electromagnet is used in electrical appliances such as electric bell, radio, TV, fan and motors.
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What devices use electromagnets?
MRI machines, transformers, loudspeakers, generators, motors and induction cookers are all based on the principle of the electromagnet. An electromagnet produces a magnetic field around a wire on the application of electric current and it works as if a permanent magnet.
Which devices might use electromagnets check all that apply?
Electromagnets are used in toasters , doorbells, radio speakers, vacuum cleaners, computers, and cars. Which metals are attracted to electromagnets? Check all that apply. Generators are important because they can provide electricity during a power outage.
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