It is true that eating a diet rich in fresh fruits and vegetables, whole grains and lean meat are good ideas. But this isn't new information. This is what doctors and health experts have been recommending for years. The clean eating diet goes further encouraging the use of only organic products.
The circuit is called 'closed' when the current flows in the circuit, and when the current does not flow, it is called an 'open circuit'. The switch or key helps to make or break the circuit, i.e. switches on or switches off the current. Sub Topics. 1  Components of An Electric Circuit.  Series and Parallel Circuits.
When a key is inserted into the ignition switch (1) and turned, voltage from the battery (2) is sent to the starter solenoid (3) to engage the starter (4). The starter motor is mounted to the back of the engine block. When the key is turned to start the car or truck, the starter motor turns, engages with the flywheel by the starter solenoid and cranks the engine.