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cupoosta [38]
3 years ago
10

Why resistors made from later of carbon?​

Physics
2 answers:
NISA [10]3 years ago
4 0

Answer:

because

Explanation:

carbon composition are suitable to withstand high energy pulses while having a relatively for small size for this reason resistors made from later carbon

n200080 [17]3 years ago
3 0

Explanation:

The carbon film acts as the resistive material to the electric current. Hence, the carbon film blocks some amount of electric current.

Therefore, these resistors can withstand at higher temperatures without any damage.

hope it helps !

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4 years ago
What are the wavelengths of electromagnetic wave in free space that have the following frequencies?
Ne4ueva [31]

Explanation:

Given that,

(a) Frequency, f_1=4\times 10^{19}\ Hz

All electromagnetic wave moves with the speed of light. It is given by :

c=f\lambda

\lambda_1=\dfrac{c}{f_1}\\\\\lambda_1=\dfrac{3\times 10^8}{4\times 10^{19}}\\\\\lambda_1=7.5\times 10^{-12}

(b) Frequency, f_2=5.5\times 10^{1=9}\ Hz

All electromagnetic wave moves with the speed of light. It is given by :

c=f\lambda

\lambda_2=\dfrac{c}{f_2}\\\\\lambda_2=\dfrac{3\times 10^8}{5.5\times 10^{9}}\\\\\lambda_2=0.054\ m

Hence, this is the required solution.

7 0
3 years ago
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Rama09 [41]
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3 years ago
An 800 kHz radio signal is detected at a point 3.2 km distant from a transmitter tower. The electric field amplitude of the sign
hammer [34]

Answer:

1.07 nT

Explanation:

We know that E/B = c where E = electric field amplitude = 320 mV/m = 0.32 V/m, B = magnetic field amplitude and c = speed of light = 3 × 10⁸ m/s.

So, B = E/c

Substituting E and c into B, we have

B = E/c

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Answer:

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Explanation:

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