List at least 5 properties and applications in which electric and magnetic fields differ: (i.e. A=>...
List at least 5 properties and applications in which electric and magnetic fields differ:
(i.e. A=> The direction of the electric field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge, and radially inwards toward a negative point charge. This makes electric fields more straight forward to integrate. Meanwhile, magnetic fields exert forces on moving charges and its direction is perpendicular to the plane formed by the cross product of v and B (follows right hand rule).
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List at least 5 properties and applications in which electric
and magnetic fields differ:
(i.e. A=>...
6. Which of the following is not a true of the electric fields? a. The electric...
6. Which of the following is not a true of the electric fields? a. The electric field is a vector quantity. b. The electric field is produced by charges. Two electric field lines may only cross at right angles. d. The electric field points from positive charges toward negative charges. ! All of the above are properties of the electric field. 7. Find the electric field (magnitude and direction) 2 in from an electron (charge of -1.6 x 10-19 C)....
A magnetic field has a magnitude of 0.0010 T, and an electric field has a magnitude...
A magnetic field has a magnitude of 0.0010 T, and an electric field has a magnitude of 6.1 × 103 N/C. Both fields point in the same direction. A positive 2.4-μC charge moves at a speed of 2.4 × 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge.
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a...
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 5.70 103 N/C. Both fields point in the same direction. A positive 1.8-µC charge moves at a speed of 3.40 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge.
Electric and Magnetic Fields a) An electron (initially at rest) is accelerated from the negative plate...
Electric and Magnetic Fields a) An electron (initially at rest) is accelerated from the negative plate to a positive plate that is located 20 cm away. The voltage across the plates is 200 V. What is the velocity of the electron as it reaches the positive plate? b) Now if the electron passes through a small hole in the positive plate (travelling right) and enters a magnetic field (B = 0.5 T) that is directed perpendicular to the direction of...
These questions are all about magnetic fields and electric motors: Part I. Fill in the blanks....
These questions are all about magnetic fields and
electric motors:
Part I. Fill in the blanks. Motors are devices that convert toenergy rt_energy int The basic principle behind the simple DC motor is that wires that carry when placed in regions of space that have experience Only sections of wire that carry current in a direction experience forces to a magnetic field The speed at which the rotor of a motor spins depends on three important factors: , and The...
1) Which of the following statements about electric fields and equipotential surfaces are correct? (check all...
1) Which of the following statements about electric fields and equipotential surfaces are correct? (check all that apply) a)The electric field direction is always from higher potential to lower potential. b)The number of electric field lines per unit area perpendicular to the field lines is proportional to the strength of the electric field in that region c)Equipotential surfaces are surfaces where the potential is constant over this surface. d)Electric field lines begin on positive charges and end on negative charges....
Magnetic Fields and Electromagnetism 143 ch equal 402. In which of the following cases would a...
Magnetic Fields and Electromagnetism 143 ch equal 402. In which of the following cases would a uniform magnetic feld B exer the largest magnitude of force on a charged particle? (A) The charge is 3g and is placed stationary in the magnetic field (B) The charge is 2q and is moving at velocicy s directly along the magnetic held lines magnetic field line. of the magnetic field (C) The charge is g and is moving at velocity perpendicular to the...
Force on Moving Charges in a Magnetic Field
Magnets exert forces on other magnets even though they are separated by some distance. Usually the force on a magnet (or piece of magnetized matter) is pictured asthe interaction of that magnet with the magnetic field at its location (the field being generated by other magnets or currents). More fundamentally, theforce arises from the interaction of individual moving charges within a magnet with the local magnetic field. This force is written ,where is the force, is the individual charge (which...
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a...
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a magnitude of 0.0012 T, and an electric field has a magnitude of 4.9 x 103 N/C. Both fields point in the same direction. A positive 2.1- C charge moves at a speed of 4.4 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. BA Ē 9 90° Number Units...
6. Which of the following is not a true of the electric fields? a. The electric field is a vector quantity. b. The electric field is produced by charges. Two electric field lines may only cross at right angles. d. The electric field points from positive charges toward negative charges. ! All of the above are properties of the electric field. 7. Find the electric field (magnitude and direction) 2 in from an electron (charge of -1.6 x 10-19 C)....
These questions are all about magnetic fields and
electric motors:
Part I. Fill in the blanks. Motors are devices that convert toenergy rt_energy int The basic principle behind the simple DC motor is that wires that carry when placed in regions of space that have experience Only sections of wire that carry current in a direction experience forces to a magnetic field The speed at which the rotor of a motor spins depends on three important factors: , and The...
Magnetic Fields and Electromagnetism 143 ch equal 402. In which of the following cases would a uniform magnetic feld B exer the largest magnitude of force on a charged particle? (A) The charge is 3g and is placed stationary in the magnetic field (B) The charge is 2q and is moving at velocicy s directly along the magnetic held lines magnetic field line. of the magnetic field (C) The charge is g and is moving at velocity perpendicular to the...
Magnets exert forces on other magnets even though they are separated by some distance. Usually the force on a magnet (or piece of magnetized matter) is pictured asthe interaction of that magnet with the magnetic field at its location (the field being generated by other magnets or currents). More fundamentally, theforce arises from the interaction of individual moving charges within a magnet with the local magnetic field. This force is written ,where is the force, is the individual charge (which...
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a magnitude of 0.0012 T, and an electric field has a magnitude of 4.9 x 103 N/C. Both fields point in the same direction. A positive 2.1- C charge moves at a speed of 4.4 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. BA Ē 9 90° Number Units...
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