A) The calculated resistance needed to generate the current at low speed is; R = 480 ohms
B) Resistance at medium and larger speeds are;
At medium speed; R is less than that at low speed
At larger speed; R is less than that at medium speed.
A) We are given;
Voltage; V = 120 V
Current at lower speed; I = 0.25 A
Formula for resistance here is;
R = V/I
R = 120/0.25
R = 480 ohms
B) This means that if larger currents are required at higher speeds, it means that lower resistance would be required.
Similarly at medium currents the resistance will be lesser than that at lower speed but greater than that at larger speeds.
Read more on ohms law at; brainly.com/question/1220677
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Keeping foods in a moist or damp environment is the least effective way to preserve food
I don’t see a multiple choice so I’m just going off a site
Answer:
One specific HISTORICAL DEVELOPMENT that led to a change in women's roles in the 1920s was the RATIFICATION of the 19TH AMENDMENT.
WHAT WAS THE 19TH AMENDMENT?
It was an AMENDMENT to the U.S. CONSTITUTION that guaranteed women the right to vote - a right they had been
campaigning for, for decades.
As a result of this amendment, WOMEN played a bigger role in POLITICS in the 1920s by electing those who would pass favorable laws for women and related causes.
Explanation:
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