You won't believe these 10 facts about people. An electrical circuit is a device that uses electricity to perform a task, such as run a vacuum or power a lamp. The circuit is a closed loop formed by a power source, wires, a fuse, a load, and a switch.
anxiety reaction a reaction characterized by abnormal apprehension or uneasiness; see also anxiety disorders. separation anxiety apprehension due to removal of significant persons or familiar surroundings, common in infants 12 to 24 months old; see also separation anxiety disorder.
Freud identified three types of anxiety: 1  Neurotic anxiety is the unconscious worry that we will lose control of the id's urges, resulting in punishment for inappropriate behavior. 2  Reality anxiety is fear of real-world events. 3  Moral anxiety involves a fear of violating our own moral principles.