If you had a closed series circuit with a resistance of 6.1 and 5.1 with a voltage of 21V, what would happen if the voltage were doubled?

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Explain why electric current cannot exist if a current doesn't have a voltage source.