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kari74 [83]
3 years ago
5

The chemical symbol for nitrogen is A Na B Ni Ne DN

Physics
1 answer:
Helen [10]3 years ago
7 0

The chemical symbol for nitrogen is N

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A wire of resistance 7 ohms and length 2.8 m is bent into a circle and is concentric with a solenoid in which the magnetic flux
Serggg [28]

Answer:

The emf, electric field and the current in the wire are 10 V, 3.57 V/m and 1.43 A.

Explanation:

Given that,

Resistance = 7 ohms

Length = 2.8 m

Time t =0.2

We need to calculate the change in magnetic flux

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\epsilon=\dfrac{d\phi}{dt}

Put the value into the formula

\epsilon=\dfrac{6-4}{0.2}

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I=\dfrac{V}{R}

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I=\dfrac{10}{7}

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