A 220- $\varOmega$ Resistor Is Connected Across an Ac Voltage Source V =

question 78

Multiple Choice

A 220- $\varOmega$ resistor is connected across an ac voltage source V = (150 V) sin [2 $\pi$ (60 Hz) t]. What is the average power delivered to this circuit?

• A)51 W
• B)110 W
• C)280 W
• D)320 W
• E)550 W

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Definitions:

Thyroid Gland

A butterfly-shaped gland located in the neck that produces hormones regulating metabolism, body energy, and the functioning of other body systems.

Pancreas

A vital organ located in the abdomen, involved in both digestive and hormonal functions, including the production of insulin.

Preconscious

In psychodynamic theory, the preconscious holds information that is not presently within our awareness but can readily be brought into awareness.

Unconscious

In psychodynamic theory, the unconscious contains the majority of our memories and drives, which can only be raised to awareness with great difficulty and typically only in response to special techniques (that is, psychoanalytic procedures).