A Light Bulb with a Tungsten Filament Is Attached to a Source

question 49

Multiple Choice

A light bulb with a tungsten filament is attached to a source of variable voltage. As the voltage is increased on the bulb,

• A) the bulb's resistance decreases.
• B) the bulb's resistance increases.
• C) the power dissipated remains constant.
• D) the current in the bulb decreases.

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Definitions:

Induction

A method of childrearing in which the parent appeals to the child’s own abilities, sense of responsibility, and feelings for others in correcting the child’s misbehavior.

Power Assertion

A method of childrearing in which the parent uses punishment and authority to correct the child’s misbehavior.

Delay Gratification

The ability to resist the temptation for an immediate reward and wait for a later reward, often considered a sign of emotional intelligence and self-control.

Developmental Psychologist

A psychologist who studies the psychological growth and changes that occur throughout a person's life.