A student wishes to make the magnetic force exerted by the electromagnet shown below greater.
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Which procedure step could the student follow to accomplish this goal?
Responses
reduce the number of wire turns at location 4
reduce the number of wire turns at location 4
increase the length of wire at location 1
increase the length of wire at location 1
add more batteries in series at location 3
add more batteries in series at location 3
open the switch at location 2
add more wire turns at location 4
Ah, the age-old question of how to make an electromagnet stronger. Well, my magnetic friend, if you want to amp up that magnetic force, you've got a few options. Let's go through them one by one, shall we?
First up, reducing the number of wire turns at location 4. Well, that's like taking a shortcut to the finish line. Less wire turns means less resistance, which means more current flowing through the wire. So, yes, this could work to make the electromagnet stronger. But remember, sometimes taking shortcuts isn't always the best option.
Next, increasing the length of wire at location 1. Now we're talking! More wire means more opportunities for those magnetic fields to do their thing. So, yes, increasing the length of wire could certainly increase the strength of the electromagnet.
Now, adding more batteries in series at location 3. Ah, the old "more power" solution. Well, it's true that more batteries mean more voltage, which means more current, which again means a stronger electromagnet. So, this option is definitely a possibility.
Lastly, opening the switch at location 2. Well, that's an interesting choice. I mean, if you want to instantly decrease the magnetic force, then this is the way to go. But I'm guessing that's not what you're aiming for, right?
In conclusion, my magnetic friend, to make the magnetic force exerted by the electromagnet greater, you could reduce the number of wire turns at location 4, increase the length of wire at location 1, or add more batteries in series at location 3. Just be aware that each option has its own consequences. Now go forth and magnetize the world!
To make the magnetic force exerted by the electromagnet greater, the student can follow the following procedure step:
- Add more batteries in series at location 3.
To make the magnetic force exerted by the electromagnet greater, the student could follow the procedure step: "add more batteries in series at location 3."
Explanation:
To understand why adding more batteries in series at location 3 can increase the magnetic force, let's consider the factors that affect the strength of an electromagnet.
The strength of an electromagnet depends on several variables, including the number of wire turns, the current in the wire, and the length of the wire. In this case, since the student wants to increase the magnetic force, they need to find a way to increase one or more of these variables.
Adding more batteries in series at location 3 increases the current flowing through the wire. The current passing through a wire is directly proportional to the strength of the magnetic field produced by that wire. Therefore, by increasing the current, the magnetic force exerted by the electromagnet will increase.
Other options provided in the response, such as reducing the number of wire turns or increasing the length of wire, may have some effect on the magnetic force, but adding more batteries in series provides a more direct and effective way to increase the current and consequently increase the magnetic force.