Если увеличить электрический заряд в 2 раза, а напряжение в 4 раза, то как и во сколько изменится сопротивление?

Which feature of a heating curve indicates a change ofn state

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.