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amm1812
4 years ago
14

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire?

Physics
2 answers:
zaharov [31]4 years ago
8 0
If the new filament wire is made of the same substance as the old one
but is thinner, then its resistance is higher than the original one.

When constant voltage is applied to a greater resistance, the current
decreases.
Sergio039 [100]4 years ago
3 0
B, I would presume since you don't have enough thickness in your wire as you did before.
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otez555 [7]

Answer:Fc=mv^2/r

Explanation:

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4 years ago
What would occur if there was a gain-of-function mutation in the promoter for the cyclin E gene such that cyclin E protein was a
rjkz [21]

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b) Cells will pass through the G1/S checkpoint even if conditions are not ideal for cell division.

Explanation:

In the given problem, if there exists a gain-of-function mutation for the given cell, there would not be the formation of cyclin E when there is the possibility of cells movement via the checkpoint of the G1/S, even when there are non-deal conditions for the division of cell. Thus, the correct option in the lists of options is the option b.

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4 years ago
Which of the following displays has the highest hz frequency
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3 0
3 years ago
A 310-g air track cart is traveling at 1.25 m/s and a 260-g cart traveling in the opposite direction at 1.33 m/s. What is the sp
UNO [17]

Answer:

v_{CM}=0.0732\ m/s

Explanation:

given,

mass of the cart 1, m₁ = 310 g

speed of car 1 , v₁ = 1.25 m/s

mass of cart 2, m₂ = 260 g

speed of cart 2, v₂ = -1.33 m/s

speed of center of mass

v_{CM}=\dfrac{m_1v_1 + m_2 v_2}{m_1 + m_2}

v_{CM}=\dfrac{0.31\times 1.25 +0.26\times (-1.33)}{0.31+0.26}

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7 0
4 years ago
An object 10 cm high is placed in front of a convex mirror of focal length 20 cm and the object is 30 cm from the mirror. Find t
kotegsom [21]

Answer:

Correct option is

B

3

20

cm

Given; Focal length, f=20cm

Object distance, u=−10cm

Using mirror formula.

v

1

+

u

1

=

f

1

v

1

=

f

1

−

u

1

=

20

1

−

−10

1

(∵u=−10)

=

20

1

+

10

1

=

20

3

⇒v=

3

20

cm

6 0
3 years ago
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