A transformer has a 2:1 turns ratio. 120 V is applied to the primary. What is the secondary voltage?

An electrical circuit connected to a 12-volt battery is connected in series to a 12-ohm resistor. What is the current flowing through the circuit? A. 0 amps B. 1 amp C. 6 amps D. 12 amps

The 480 g bar is rotating as shown what is the angular momentum of the bar about the axle?

Rotation of the lever OA is controlled by the motion of the contacting circular disk of radius r = 300 mm whose center is given a horizontal velocity v = 1.64 m/s.

Write the equation that links current, potential difference, and resistance

Type of energy transformed into chemical energy by plants is called type of energy transformed into chemical energy by plants is called @Physics

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces