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Dafna1 [17]
2 years ago
15

two circular loops of wire, each containing a single turn, have the same radius of 4.0 cm and a common center. the planes of the

loops are perpendicular. each carries a current of 1.7 a. what is the magnitude of the net magnetic field at the common center?
Physics
1 answer:
REY [17]2 years ago
3 0

The magnetic field at center of circular loops of wire is 3.78 x 10¯⁵ T.

We need to know about the magnetic field at the center of circular loops of wire to solve this problem. The magnetic field at the center can be determined as

B = μ₀ . I / 2r

where B is magnetic field, μ₀ is vacuum permeability (4π×10¯⁷ H/m), I is the current and r is radius.

From the question above, we know that:

r = 4 cm = 0.04 m

I = 1.7 A

By substituting the parameter, we get

B = μ₀ . I / 2r

B = 4π×10¯⁷ . 1.7 / (2.0.04)

B = 2.67 x 10¯⁵ T

Due to the perpendicular plane of loops, the total magnetic field at center will be

Btotal = √(2(B²))

Btotal = √(2(2.67 x 10¯⁵²))

Btotal = 3.78 x 10¯⁵ T

Find more on magnetic field at: brainly.com/question/7802337

#SPJ4

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Answer:

0.54kg

Explanation:

p=mv

m=p/v

m=5.4/10

=0.54kg

4 0
3 years ago
Ramas weight is 40 kg. She is carrying a load of 20 kg up to a height of 20 m. What work does she do? What work does she do?
Taya2010 [7]

Answer:

The work done by Ramas is 3920 N.

Explanation:

Given;

mass of the load lifted by Ramas, m = 20 kg

height through which the load is lifted, h = 20 m

The work done by Ramas is equal to gravitational potential due to the height in which the load is lifted.

W = PE = mgh

where;

g is acceleration due to gravity = 9.8 m/s²

W = 20 x 9.8 x 20

W = 3920 N.

Therefore, the work done by Ramas is 3920 N.

3 0
3 years ago
A Thomson's gazelle can run at very high speeds, but its acceleration is relatively modest. A reasonable model for the sprint of
777dan777 [17]

Answer:

The correct answer will be:

(a) 27.3 m/s

(b) 3.8 s

Explanation:

According to the question:

Acceleration,

a= 4.2 \ m/s^2

Time,

t = 6.5 \ s

(a)

The gazelles top speed will be:

⇒  V_{max} = at

             =4.2\times 6.5

             =27.3 \ m/s

or,

             = 27 \ m/s

(b)

As we know,

s = 30 m

Now,

⇒  s = \frac{1}{2} at^2

or,

⇒  t=\sqrt{\frac{2s}{a} }

On putting the given values, we get

       =\sqrt{\frac{2\times 30}{4.2} }

       =\sqrt{\frac{60}{4.2} }

       =3.78 \ s

or,

       =3.8 \ s

5 0
3 years ago
Which of the following is a way that microwaves and x-rays are similar?
NISA [10]

Answer:

A

Explanation:

In my opinion I'm pretty sure it's A because WE DO use microwaves and x-rays as techonological uses.

6 0
3 years ago
As the distance from equilibrium decreases, in what way is the magnitude of the force on an object that is undergoing simple har
nydimaria [60]

The correct answer is B. The force decreases.

Simple harmonic motion is a to and fro motion about the equilibrium position, with the restoring force proportional to the displacement and it is always directed towards the mean position.

Mathematically, the force F is given by,

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Here, x is the displacement from the equilibrium position and k is the force constant. The negative sign indicates that the direction of the force is always directed towards the equilibrium position, opposite to the direction of the displacement from the equilibrium position.

Thus, as the displacement from the equilibrium position decreases, the force acting on the body also decreases.

4 0
3 years ago
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