) can be determined by the left hand rule.
A: The induced force on the moving charged particles in the magnetic
field.
B: The direction of the induced force on the moving charged particles in
the magnetic field.
C: The induced electromagneto motive force on the moving conductor in
the magnetic field.
D: The direction of the induced electro-motive force on the moving
conductor in the magnetic field.
举一反三
- can be determined by the leT hand rule. A: The direc2on of the induced force on the moving charged par2cles in the magne2c field. B: The direc2on of the induced electro-mo2ve force on the moving conductor in the magne2c field C: The induced force on the moving charged par2cles in the magne2c field. D: The induced electromagneto mo2ve force on the moving conductor in the magne2c field.
- Which of the following explains why a magnetic field does no work on a moving charged particle?( ) A: The magnetic force depends on the speed of the particle. B: There is always an electric field that cancels the work done by the magnetic field. C: The magnetic force is always perpendicular to the direction of motion. D: The magnetic force depends on the direction of motion of the particle. E: The magnetic force is conservative.
- If the magnetic field B through<br/>a loop of wire is increasing, the<br/>induced magnetic field will be A: in<br/>the same direction as B B: in<br/>the opposite direction as B C: perpendicular<br/>to B D: at<br/>an acute angle to B E: there<br/>is no induced magnetic field
- 1. A charged particle is traveling through a uniform magnetic field. Which of the following statements are true of the magnetic field? A: It exerts a force on the particle parallel to the field. B: It exerts a force on the particle along the direction of its motion. C: It increases the kinetic energy of the particle. D: It exerts a force that is perpendicular to the direction of motion.
- Semiconductor<br/>with a current is placed in a magnetic field perpendicular to the<br/>current and it induced electric field in the direction. This<br/>phenomenon is known as the ______ .
内容
- 0
The<br/>magnetic field lines are used to visually describe the distribution<br/>of the magnetic field around the magnet. For the following<br/>statement,( <br/>) is wrong. A: Each<br/>magnetic field line is a closed loop curve B: No<br/>two magnetic field lines can cross each other C: The<br/>length of the magnetic field line reflects the strength of the<br/>magnetic field D: The<br/>tangential direction of any point on any of the magnetic lines is the<br/>direction of the magnetic field at that point
- 1
It is found more convenient to adopt the point of view that a moving charge sets up a magnetic field, _____ that this field exerts a force on another charge moving through it. A: and B: or C: that D: but
- 2
导体切割磁场线，没有构成闭合回路的话，那么___The conductor cuts the magnetic field line without forming a closed loop, then___ A: 没有感应电流，没有电动势；no induced current, no electromotive force; B: 没有感应电流，有电动势；there is no induced current and there is an electromotive force; C: 有感应电流，没有电动势；there is an induced current and no electromotive force; D: 有感应电流，有电动势；there is an induced current and an electromotive force;
- 3
<p><p>1. A charged particle is traveling through a uniform magnetic field. Which of the following statements are true of the magnetic field? </p></p>
- 4
The<br/>Biot-Savart Law is used to A: determine<br/>the electric field created by individual point charges B: determine<br/>the electric field created by an electric current C: determine<br/>the magnetic field created by individual point charges D: determine<br/>the magnetic field created by an electric current E: determine<br/>the force field created by an electric current