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kvasek [131]
3 years ago
14

How much current is flowing in a wire 4.40 mm long if the maximum force on it is 0.575 NN when placed in a uniform 0.0550-TT fie

ld?
Physics
1 answer:
aleksandrvk [35]3 years ago
3 0

Answer:

Current in wire will be equal to i=2.376\times 10^9A

Explanation:

We have given length of the wire l = 4.40 mm =4.40\times 10^{-3}m

Maximum force F=0.575MN=0.575\times 10^6N

Magnetic field B = 0.0550 T

We know that force on wire is given by F=iBlsin\Theta

For maximum force value of sin\Theta will be maximum which is equal to 1

So force F=iBl\times 1=iBl

So 0.575\times 10^6=i\times 0.0550\times 4.40\times 10^{-3}

i=2.376\times 10^9A

So current in wire will be equal to i=2.376\times 10^9A

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