The orientation of small satellites is often controlled usingtorque from current - carrying coils in Earth’s magnetic field.Suppose a multiturn coil has a cross - sectional area of 6.36 =10-4 m2, dissipates 0.200 W of electrical power from a 5.00 - Vpower supply, and provides a magnetic moment of magnitude0.020 0 A · m2. (a) Find the coil current I. (b) Calculatethe number of turns in the coil. (c) Calculate the maximummagnitude of torque if Earth’s magnetic field has magnitude3.75 x 10-5 T at the satellite’s location.

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The orientation of small satellites is often controlled using
torque from current - carrying coils in Earth’s magnetic field.
Suppose a multiturn coil has a cross - sectional area of 6.36 =
10-4 m2, dissipates 0.200 W of electrical power from a 5.00 - V
power supply, and provides a magnetic moment of magnitude
0.020 0 A · m2. (a) Find the coil current I. (b) Calculate
the number of turns in the coil. (c) Calculate the maximum
magnitude of torque if Earth’s magnetic field has magnitude
3.75 x 10-5 T at the satellite’s location.

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Step 1

a)

Current is,

Step 2

Step 3

b)

Magnetic moment and number of ...

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