A simple circuit is wired with a battery, a switch, and a bell.
When the switch is turned on, what energy transformations will occur?
When the switch is turned on, the battery converts chemical energy into electrical energy. This electrical energy then flows through the circuit and is transformed into sound energy in the bell.
A woman runs as shown.
What main energy conversion occurs?
Thermal energy changes into mechanical energy because heat provides energy for motion.
Thermal energy changes into mechanical energy because heat provides energy for motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Mechanical energy changes into thermal energy because the energy from motion creates heat in the air around the runner.
Mechanical energy changes into thermal energy because the energy from motion creates heat in the air around the runner.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner's motion.
When the switch is turned on in a simple circuit wired with a battery, a switch, and a bell, the following energy transformations will occur:
1. Chemical energy transformation: The chemical energy stored in the battery is converted into electrical energy.
2. Electrical energy transformation: The electrical energy flows through the wires and into the bell.
3. Sound energy transformation: The electrical energy in the bell causes the clapper to strike the bell, resulting in the conversion of electrical energy into sound energy.
Therefore, the energy transformations that occur in this circuit are from chemical energy to electrical energy and then to sound energy.
When the switch in a simple circuit is turned on, several energy transformations occur. Let's break it down step by step:
1. Electrical energy conversion: When the switch is turned on, current flows from the battery. The chemical potential energy in the battery is converted into electrical energy as the electrons move through the circuit.
2. Thermal energy conversion (internal resistance): As the current flows through the circuit, there is resistance in the wires and components. This resistance causes some of the electrical energy to be converted into thermal energy due to the collisions between electrons and atoms in the conductor. This conversion of electrical energy into thermal energy is known as Joule heating.
3. Sound energy conversion: The current flows through the bell, which is an electromagnetic device. The electrical energy is converted into mechanical energy as the electromagnetic field generated by the current interacts with the permanent magnets in the bell. This mechanical energy causes the bell to vibrate, producing sound waves. Therefore, the electrical energy is transformed into sound energy.
In summary, turning on the switch in a simple circuit results in the conversion of chemical potential energy in the battery into electrical energy, which is then transformed into thermal energy due to resistance, and finally, into sound energy in the bell.