Second year physics ampere force to do work to convert the basic problem of energy! Very urgent! A small stick is connected to a closed loop placed on the table, and the friction force is ignored. There is B perpendicular to the table inward. When the stick moves to the right, we can know that in the horizontal direction, the stick is only subjected to the ampere force to the left, and the ampere force does negative work, So what energy does the kinetic energy of the rod convert into? Is it the heating energy of the resistor in the closed loop? Is the power of the ampere force equal to the power consumed in the closed loop? Why? The most important thing is why the power of Ampere force is equal to the power consumed in the closed circuit? Ampere force is the effect of magnetic field on the current. What is the relationship between ampere force and the power consumed in the closed circuit?

Second year physics ampere force to do work to convert the basic problem of energy! Very urgent! A small stick is connected to a closed loop placed on the table, and the friction force is ignored. There is B perpendicular to the table inward. When the stick moves to the right, we can know that in the horizontal direction, the stick is only subjected to the ampere force to the left, and the ampere force does negative work, So what energy does the kinetic energy of the rod convert into? Is it the heating energy of the resistor in the closed loop? Is the power of the ampere force equal to the power consumed in the closed loop? Why? The most important thing is why the power of Ampere force is equal to the power consumed in the closed circuit? Ampere force is the effect of magnetic field on the current. What is the relationship between ampere force and the power consumed in the closed circuit?


If the circuit is closed, the electric potential energy can produce electric current. If the rod is made of superconducting material (r = 0, q = i2rt, q = 0), it will not be converted into electric heat. If it is a common resistance, it will be converted into heat energy



Is all the work done by Ampere force converted into electric energy in a magnetic field? Then the electric energy is equal to the work done by Ampere force


If other forces are not taken into account, the work to be done is the force to be done, such as gravity, friction, etc