Which of the following statements are true? a) The potential energy of the charg
ID: 1444597 • Letter: W
Question
Which of the following statements are true?
a) The potential energy of the charge carriers is increased when they move through the battery and decreased when they move through the load. b) In an electrical circuit, the energy from the power source is transferred to the load by net transport of charge carriers. c) In a single loop circuit, the energy of a charge carrier is decreased non-negligibly upon traversing the circuit once. d) The energy of the charge carriers is not changed when they travel through the wire.Explanation / Answer
A) The potential energy of the charge carriers is increased when they move through the battery and decreased when they move through the load
The potential energy of electrons decreases when the electrons lose energy in collision with atoms in matter. Matter is said to have resistance. • Resistance is defined by the relation V = IR. When R is constant, this is termed "Ohm's law." • The power dissipated in a resistor is P = IV
Current is the rate charge flows through a circuit. t q I = • Electrons flow in the opposite direction to current flow. • The voltage of an electron in a circuit is related to its potential energy by the equation U = qV. • A battery is a device that increases the potential energy of electrons.
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