Thursday
May 23, 2013

# Posts by Javier

Total # Posts: 48

Physics
A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force acting on the wire is 0.60N and is directed downward. What is the strengh and direction of the magnetic field?

Physics
A 0.50m long wire is carrying a current of 8.0A toward the east. The wire passes through a magnetic field of 0.40T toward the north. What is the force which acts on the wire? What is the direction of the force.

A large pizza from Papa's Pizzeria has a diameter of 18 inches. If each large pizza is cut into 10 equal slices, what is the approximate area of 3 slices of pizza in square inches?

What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?

What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?

What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?

What resistance would produce a current of 120 amps from a 6-volt battery?

What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?