Two charges are placed on the x axis, +5.00 μC at the origin and −10.0 μC at x = 10. 0 cm . (a) Find the electric field on the x axis at x = 6. 00 cm . (b) At what point(s) on the x axis is the electric field zero?

terd muffin is the correct answer

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.