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2 years ago

Your mass in kilograms if you weight 170 pounds

Physics

1 answer:

Aleonysh [2.5K]2 years ago

5 0

1 pound ≈ 0.4536 kg

170 pounds ≈ 170 * 0.4536 kg

≈ 77.112 kg

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Answer:

The current flowing through the outer coils is

Explanation:

From the question we are told that

The number of turn of inner coil is $N _i = 110 \ turns$

The radius of inner coil is $r_i = 0.014 \ m$

The current flowing through the inner coil is $I_i = 9.0 \ A$

The number of turn of outer coil is $N_o = 160 \ turns$

The radius of outer coil is $r_o = 0.022\ m$

For net magnetic field at the common center of the two coils to be zero the current flowing in the outer coil must be opposite to current flowing inner coil

The magnetic field due to inner coils is mathematically represented as

$B_i = \frac{N_i \mu I}{2 r_i}$

The magnetic field due to inner coils is mathematically represented as

$B_o = \frac{N_o \mu I_o}{2 r_o}$

Now for magnetic field at center to be zero

$B_o = B_i$

$\frac{N_i \mu I_i}{2 r_i} = \frac{N_o \mu I_o}{2 r_o}$

=> $\frac{110 * 9}{2 * 0.014} = \frac{160 *I_o}{2 0.022}$

$I_o = 9.72 \ A$

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