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NISA [10]
3 years ago
10

Why does a heater having low resistance heating coils get heated more?​

Physics
2 answers:
Dahasolnce [82]3 years ago
4 0

Answer: If you use a very small resistance AND the circuit design is such that the voltage drop is across the resistance of the heating-wire-circuit, [nothing else in the circuit is limiting current flow] you will get more heating. That's what we have in a heat anticipator internal-nichrome-wire-heater device.

Explanation:

algol [13]3 years ago
3 0

Answer:

Explanation:

That electrical energy will be dissipated in the form of heat, heating up the wire in the process. This heating is called Joule heating (James Prescott Joule) or ohmic heating or resistive heating. Which tells us that lower resistance (R) will produce higher current. Therefore lower resistance produces more heat.

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P= \frac{W}{t} (1)

The work done is equal to the elastic energy stored by the compressed spring:
W=U= \frac{1}{2}kx^2
where k=5000 N/m is the spring constant and x=4.0 cm=0.04 m is the compression of the spring. If we substitute the numbers, we find:
W= \frac{1}{2}(5000 N/m)(0.04 m)^2=4 J

And now we can use eq.(1) to calculate the average power output:
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To get an idea of the size of magnetic fields at the atomic level, consider the magnitude of the magnetic field due to the elect
artcher [175]

Answer:

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Explanation:

Given that,

Speed of electron v=2.2\times10^{6}\ m/s

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Using formula of magnetic field

B = \dfrac{\mu_{0}I}{2r}....(I)

Using formula of current

I=\dfrac{q}{T}

Using formula of time

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B=\dfrac{\mu \times q\times v}{2\pi r\times2r}

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3 years ago
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