Question

1. how many circuits are shown?

options: 2, 20

1. how many amps can each shown circuit support?

options: 15, 20

1. a mother and daughter are each getting ready for the day and using a blow dryer and curling iron, which are plugged into the same outlet. the daughter turns on a blow dryer, which suddenly turns off, along with the bedroom light. what is the most likely cause?

options: bad blow drying, tripped circuit breaker

1. alternating current (ac) is how electricity is generated and distributed to homes, with voltage going up and down like sea waves (causing current to go back and forth, or \alternate\). however, batteries generate direct current (dc): a voltage that stays at one value, like 9v, and thus current stays steady too. a typical floor lamp operates on which electricity?

options: 15v dc, 120v ac

Explanation:

Question 1: How many circuits are shown?

We need to analyze the context (though the visual of circuits isn't fully clear, but from typical such questions, if the options are 2 and 20, and likely the answer is 2 as a simple circuit count in basic diagrams might be 2).

In household circuits, typical circuit breakers for outlets/small appliances are often 15 or 20 amps. If the options are 15 and 20, and for general household circuits (like for a bedroom with lights and small appliances), 20 amps is a common rating for some circuits, but 15 is also common. However, if the context is about a circuit supporting multiple devices (mother and daughter using blow dryer and curling iron), a 20 - amp circuit is more likely to handle the load, but wait, no—wait, actually, many household circuits (especially for outlets) are 15 amps, but some are 20. But if the options are 15 and 20, and the question is about "each shown circuit", and if the diagram (not fully visible) has a typical circuit, but from the options, if we consider that a circuit supporting a blow dryer (which can be 10 - 15 amps) and a curling iron (maybe 5 - 10 amps), the total load could trip a 15 - amp circuit, but the question is about how many amps it can support (the rating). Wait, maybe the answer is 20? No, wait, no—actually, standard household circuits: 15 or 20. If the options are 15 and 20, and the question is "how many amps can each shown circuit support", the answer is likely 20 (if the circuit is a 20 - amp circuit) or 15. But maybe the intended answer is 20? Wait, no, maybe 15? Wait, the options are O 15 and O 20. Let's think: a blow dryer and curling iron—blow dryer can be 12 - 15 amps, curling iron 5 - 10 amps. So total around 17 - 25 amps, which would trip a 15 - amp circuit, but the question is about how many amps the circuit can support (its rating). So if the circuit is rated for 20 amps, it can support up to 20 amps. But maybe the answer is 20? Wait, no, maybe the question is simpler. Wait, the user's options: O 15 and O 20. Let's assume the correct answer is 20 (maybe the circuit is a 20 - amp circuit).

When multiple high - load devices (blow dryer and curling iron) are plugged into the same outlet, the total current draw can exceed the circuit's capacity, causing the circuit breaker to trip. A "bad blow drying" is not a standard electrical term for this issue, while a tripped circuit breaker is a common result of overloading a circuit.

Answer:

A. 2 (assuming the options are structured as O 2 and O 20, so the correct one is 2)

Question 2: How many amps can each shown circuit support?