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saw5 [17]
2 years ago
5

5. Identify Which of the following substances will conduct electric current aluminum foil, sugar

Physics
1 answer:
murzikaleks [220]2 years ago
5 0
Aluminum foil because it has aluminum and that can conduct to electric
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A long, fine wire is wound into a coil with inductance 5 mH. The coil is connected across the terminals of a battery, and the cu
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Answer:

Compared with the current in the first coil, the current in the second coil is unchanged.

Explanation:

All coils, inductors, chokes and transformers create a magnetic field around themselves consist of an Inductance in series with a Resistance forming an LR Series Circuit.

The steady state of current in the LR circuit is:

I= V/R (1 - e^-Rt/L)

Where I= current

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Where R/L is the time constant.

For a conducting wire, it has a very small resistance. The time constant will be in microseconds. The current will be in a steady state after few second. The current is independent on the inductance and dependent on the resistance. The length of wire and the resistance here are the same. Therefore, the current remains unchanged.

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According to Kepler, what do all bodies in orbit around another have in common?
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