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RideAnS [48]
2 years ago
11

In which type of circuit does charge move in only one direction?

Physics
1 answer:
Lesechka [4]2 years ago
3 0
C. A combined circuit
That’s the answer
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The resistivity of gold is at room temperature. A gold wire that is 0.9 mm in diameter and 14 cm long carries a current of 940 m
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Answer:

0.0360531138247 V/m

Explanation:

\rho = Resistivity of gold = 2.44\times 10^{-8}\ \Omega .m (General value)

I = Current = 940 mA

d = Diameter = 0.9 mm

A = Area = \dfrac{\pi}{4}d^2

E = Electric field

Resistivity is given by

\rho=\dfrac{EA}{I}\\\Rightarrow E=\dfrac{\rho I}{A}\\\Rightarrow E=\dfrac{2.44\times 10^{-8}\times 940\times 10^{-3}}{\dfrac{\pi}{4}(0.9\times 10^{-3})^2}\\\Rightarrow E=0.0360531138247\ V/m

The  electric field in the wire is 0.0360531138247 V/m

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The purpose of the control group is to
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The eight planets in alphabetical order are Earth, Jupiter, Mars, Mercury, Neptune, Saturn, Uranus, and Venus. Half of them are
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Which one of the following si units is used to measure current?
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That's the current in the circuit when one coulomb of charge
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