If the cross-sectional area of both wires were increased by a factor of 2, what would the be magnitude of the electric field at location B

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.

The speed of light can be used to measure the

Aball horizontally thrown from a cliff at 8m/s