A planet's moon has a diameter of 2100 miles and a mean density of 9000 kg/m3, 92% of which is iron. About how many magnetic monopoles does this moon contain? A) 0 B) 6.2 x 1029 c) 93 d) 27000
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A planet's moon has a diameter of 2100 miles and a mean density of 9000 kg/m3, 92% of which is iron. About how many magnetic monopoles does this moon contain?
A) 0
B) 6.2 x 1029
c) 93
d) 27000
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- 5 5) What is the magnetic field strength at the dot? d=0.1 m and I= 5A A) 26.79 x10-6T B) 13.38x10-6T C) 39.20 x10-6T D) 88.00 x10-6T 6) What is the direction of the magnetic field B at the dot? A) out of the pagev B) into the page C) points left d d/2 D) points right E) There is no magnetic field 7) What would be the direction of the magnetic force acting on a proton initially placed at the dot if this proton moves into the page? A) points right B) points left C) points down D) points up E) There is no magnetic force 8) What would be the direction of the magnetic force acting on an electron initially placed at the dot if this electron moves to the right? A) out of the page B) into the page C) points left D) points rightE) There is no magnetic force 2What is the magnetic field at the center of a circular loop of wire of radius 4.0 cm when a current of 2.0 A flows in the wire? Hint: B=μ0I2rB=μ0I2r Group of answer choices A) 3.1X10-5 T B) 3.1X10-6 T C) 2.8X10-5 T D) 3.1X10-3 T Please show work and give explanations. I thank you very much for your time and guidance!3. A proton moving eastward with a velocity of 5.0 km/s enters a magnetic field of 0.20 T pointing northward. What are the magnitude and direction of the force that the magnetic field exerts on the proton? (qe=+1.60 × 10-19 C)
- 5. The magnitude of the magnetic field around a single current-carrying wire with current I, Hol is given be B = where 4= 47 × 10-7 T·m/A. The formula for the force on a single 2πη current-carrying wire with current I, is F = ILB, if the current is perpendicular to the magnetic field. What is the magnitude of the force between two parallel wires, each carrying a 1A current, if the wires are 10 m long and 2 m apart.There is a torus whose magnetic field in its mean radius is 150 mT. The smallest radius of the device is known to be 4 cm and the largest radius is 6 cm. Considering that it has 2,500 turns per layer and is made up of 5 of them, determine the current that circulates in said torus. A) 3 A B) 15 A C) 2.39 A D) 3.6 A8. A charge is moving at an angle of 30° relative to the direction of a magnetic field and experiences a magnetic force of 3.0 x 103 N. If this same charge were to move at the same velocity perpendicular to the same magnetic field what magnetic force will act on it? FL = qvB sint
- At New York City, the earth's magnetic field has a vertical component of 5.20 × 10-5 T that points downward (perpendicular to the ground) and a horizontal component of 1.80 × 10-5 T that points toward geographic north (parallel to the ground). What is the magnitude of the magnetic force on a 7.14-m long, straight wire that carries a current of 46.8 A perpendicularly into the ground? Number Units14A solenoid with 500 turns, 0.10 m long, carrying a current of 4.0 A and with a radius of 1 x 10-2 will have a what strength of magnetic field at its center? a) 31 x 10-4 Tb) 62 x 10-4 Tc) 125 x 10-4 Td) 250 x 10-4 T