A Taillight Bulb Is Glowing Dimly

question 4

Multiple Choice

A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both A and B
• D) Neither A nor B

---

Definitions:

Substitute

A good or service that can be used in place of another, allowing consumers to switch between them based on price, preference, or availability.

Equilibrium

A situation where the supply and demand in the market are equal, leading to stable prices.

Margarine

A spread used as a substitute for butter, made from vegetable oils or animal fats.

Producer Surplus

The difference between what producers are willing to sell a good for and the price they actually receive.