Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)
Responses
increasing the current or using a higher-voltage power source
increasing the current or using a higher-voltage power source
increasing the number of turns in the coil of wire
increasing the number of turns in the coil of wire
increasing the distances between the turns of the coil
increasing the distances between the turns of the coil
using an iron core or nail
using an iron core or nail
What happens when thermal energy is applied to water?(1 point)
Responses
Its molecules gain kinetic energy.
Its molecules gain kinetic energy.
The water creates steam as soon as thermal energy is applied.
The water creates steam as soon as thermal energy is applied.
Its molecules lose kinetic energy.
Its molecules lose kinetic energy.
Its molecules gain potential energy.