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Mars2501 [29]
2 years ago
11

PLEASE HELP!!!

Mathematics
2 answers:
german2 years ago
8 0

Answer:

4 yw:)

Step-by-step explanation:

RoseWind [281]2 years ago
5 0

Answer:

Increased by a factor of 4

Step-by-step explanation:

The original circumference is:

C1 = 2 * pi * r1

The new circumference is:

C2 = (2 * pi * r2)

"circumference that is 4 times larger than the original"

(2 * pi * r2) = 4 (2 * pi * r1)

Rewriting:

r2 = 4r1

Answer:

The radius of the original circle is:

increased by a factor of 4

Hope this helps :)

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In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IR?
soldi70 [24.7K]

Answer:


Step-by-step explanation:

Given

ET = 120 V

, R = 30 Ω,

XL = 40 Ω.

To find = IR=?

as in circuit inductor and resistor are parallel so ET =EL = ER = 120V

IR = current through resistor = IR = ER/ R

                                                      = 120V /30Ω.

                                                       = 4 ampere.



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0.75x10= what is the answer.
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