All of the following are ways that an electromagnetic can be made stronger EXCEPT-

A) increasing the size of the iron core

B) adding more loops of wire

C) increasing the current moving through the wire

D) changing the direction of the current moving through the wire

"why is graphite used instead of gold or copper wires to conduct electricity in very hot situations such as an industrial kiln? " that's the question, but the thing is, i don't even understand what an "industrial kiln" xd assistance would be < 3

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?