If a current is running through a wire, which of the following will be induced around...
If a current is running through a wire, which of the following will be induced around the wire?
A. A reverse current
B. A gravitational field
C. A magnetic field
D. A sound wave
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If a current is running through a wire, which of the following will be induced around...
4. If a current is running through a wire, which of the following will be induced...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? O The proton feels a force pushing it...
4. If a current is running through a wire, which of the following will be induced...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? The proton feels a force pushing it upward...
1. If the current in the wire inside a lightbulb is 3A, what is the current...
1. If the current in the wire inside a lightbulb is 3A, what is the current in the connecting wire going into the lightbulb? O The connecting wire must have a current of more than 3A O The connecting wire must have a current of 3A O The connecting wire must have a current of less than 3A 2. Which of the following best describes the source of all magnetic fields? O Magnetic fields are due to magnetically charged particles...
A conducting loop is formed by running a wire completely around the edge of this page....
A conducting loop is formed by running a wire completely around the edge of this page. A uniform magnetic field directed into the page is increasing at the rate of 2.5 T/s. What is the direction of the current induced in the loop? A) The induced current will move counterclockwise around the edge of the page. B) The induced current will alternate between clockwise and counterclockwise. C) The induced current will move clockwise around the edge of the page. D)...
39. As an electric current flows through a wire, a. a magnetic field is generated that...
39. As an electric current flows through a wire, a. a magnetic field is generated that is inversely related to the current. b. magnetic field lines form around the wire that reverse direction when the current is reversed. c. the lines of magnetic force created closest to the wire are the weakest. d. magnetic lines of force are formed around the wire in the same direction regardless of the direction of the current.
5- Creating Magnetism by running a current through a wire is called ______ whereas creating potential...
5- Creating Magnetism by running a current through a wire is called ______ whereas creating potential difference by changing the magnetic flux through a loop of a conductor is called ________ A- Magnetic induction, Electromagnetic induction. B- Lenz's law, Faraday's law C- Magnetic Induction, Lenz's law D-Faradays Law, Lenz's Law E- Electromagnetic induction, Faraday's law 6- The emf induced in a coil that is rotating in a magnetic field will be at a maximum when : a- The change in...
Which of the following will cause an induced current in a coil of wire? Which of...
Which of the following will cause an induced current in a coil of wire? Which of the following will cause an induced current in a coil of wire? the constant field of the earth passing through the coil a magnet resting near the coil a magnet being moved into or out of the coil a wire carrying a constant current near the coil
If a bar magnet is falling through a loop of wire, the induced current in the...
If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be repulsive when: A. the magnet enters the loop B. the magnet is halfway through C. the magnet is leaving the loop D. never Please provide an explanation!
Explain how the right hand rule will predict the direction of the magnetic field for an electric current running through a coil of wire
3. Explain how the right hand rule will predict the direction of the magnetic field for an electric current running through a coil of wire: 4. Explain how the right hand rule works for an external magnetic field that is changing inside a coil of wire: 5. In the situation below, the bar magnet is moving to the right. What will be the direction of the induced current in the solenoid? (Either draw arrows, or describe like up in front, down in...
A straight copper wire lies along the x-axis and has current of I=15.6 A running through it in the +x-direction
A straight copper wire lies along the x-axis and has current of I=15.6 A running through it in the +x-direction. The wire is in the presence of a uniform magnetic field, perpendicular to the current. There is a magnetic force per unit length on the wire of 0.117 N / m in the -y-direction.(a) What is the magnitude of the magnetic field (in mT ) in the region through which the current passes?(b) What is the direction of the magnetic...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? O The proton feels a force pushing it...
4. If a current is running through a wire, which of the following will be induced around the wire? O A reverse current O A gravitational field O A magnetic field O A sound wave 5. If a proton is moving at a speed of 5 m/s to the right (→) through a uniform magnetic field that points to the left (€), which of the following describes the force the proton feels? The proton feels a force pushing it upward...
1. If the current in the wire inside a lightbulb is 3A, what is the current in the connecting wire going into the lightbulb? O The connecting wire must have a current of more than 3A O The connecting wire must have a current of 3A O The connecting wire must have a current of less than 3A 2. Which of the following best describes the source of all magnetic fields? O Magnetic fields are due to magnetically charged particles...
A conducting loop is formed by running a wire completely around the edge of this page. A uniform magnetic field directed into the page is increasing at the rate of 2.5 T/s. What is the direction of the current induced in the loop? A) The induced current will move counterclockwise around the edge of the page. B) The induced current will alternate between clockwise and counterclockwise. C) The induced current will move clockwise around the edge of the page. D)...
39. As an electric current flows through a wire, a. a magnetic field is generated that is inversely related to the current. b. magnetic field lines form around the wire that reverse direction when the current is reversed. c. the lines of magnetic force created closest to the wire are the weakest. d. magnetic lines of force are formed around the wire in the same direction regardless of the direction of the current.
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