3 years ago

images of a candle will be formed if it is placed between two plane mirrors which are kept at an angle 180°.

Physics

1 answer:

Yuri [45]3 years ago

7 0

Answer: What is the ?

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Which of the following is a risk associated with taking performance-enchancing drugs.

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Answer:

The correct answer is All of the above.

Explanation:

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lilavasa [31]

Answer:

.409 N

Explanation:

For this to balance, the moments around the fulcrum must sum to zero.

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3 years ago

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The magnetic field at the center of a 1.50-cm-diameter loop is 2.70 mT . Part A. What is the current in the loop?

elixir [45]

Explanation:

It is given that,

Diameter of the circular loop, d = 1.5 cm

Radius of the circular loop, r = 0.0075 m

Magnetic field, $B=2.7\ mT=2.7\times 10^{-3}\ T$

(A) We need to find the current in the loop. The magnetic field in a circular loop is given by :

$B=\dfrac{\mu_o I}{2r}$

$I=\dfrac{2Br}{\mu_o}$

$I=\dfrac{2\times 2.7\times 10^{-3}\times 0.0075}{4\pi \times 10^{-7}}$

I = 32.22 A

(b) The magnetic field on a current carrying wire is given by :

$B=\dfrac{\mu_o I}{2\pi r}$

$r=\dfrac{\mu_o I}{2\pi B}$

$r=\dfrac{4\pi \times 10^{-7}\times 32.22}{2\pi \times 2.7\times 10^{-3}}$

r = 0.00238 m

$r=2.38\times 10^{-3}\ m$

Hence, this is the required solution.

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3 years ago

Elements that easily transmit electricity and heat display the property know as ______

andre [41]

It is known as conductivity

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3 years ago

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images of a candle will be formed if it is placed between two plane mirrors which are kept at an angle 180°.​

images of a candle will be formed if it is placed between two plane mirrors which are kept at an angle 180°.