Can someone please explain in good detail (min. 250 words) 1. How does the current in a conductor affect the magnetic force on that conductor in a magnetic field? 2. How does the current in a coil affect the magnitude of the magnetic force on a conductor in the coil?

What is the difference between electrically neutral objects and electrically charged objects

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.