We move a square loop of wire 2.3 cm on a side into a region of uniform magnetic field of 1.5 t with the plane of the loop perpendicular to the direction of the field. the loop is moving with a constant velocity of 2.1 m/s into the field region starting from a point outside the field. if the loop has a resistance of 3 ω, find the force on the loop as it just enters the magnetic field region. (enter the magnitude.)

Force will be

Explanation:

We have given side of wire d = 2.3 cm = 0.023 m

Magnetic field B = 1.5 T

Velocity v = 2.1 m/sec

Resistance R = 3 ohm

We know that current is given by

Power is given by

We know that power is also given by

So

b.

explanation:

10.0

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.