Please answer 4-6 only.Ps. If you have answered this already please skip so other can answer it, I just would like to compare the answers. Thank you! HintsA. What is the horizontal component of Earth's magnetic field inyour neighborhood?B. What is the magnetic field magnitude at the North Pole?C. What is the orbit radius?U. What is the maximum number of turns n per meter ofsolenoid?V. How should you model the current?W. How close to the wire can you place the compass?D. What are the crucial variables to maximize?E. What is the current configuration?F. What is the magnitude of the electric field near Earth's surface?G. How should you model the current?H. How should the wire be oriented?I. What is the radius of Earth?J. What is the electron's speed?K. How close do you come to the wiring?L. What surface charge density could create this electric fieldmagnitude?M. What is the straight-line distance from a point on the equator tothe North Pole?Key (all values approximate)A. 2 x 10-5 T; B. 7 × 10-5 T; C. 5 × 10-1" m; D. becauseB = µonI, both I and n (number of windings per unit length)should be maximized; E. paired conductors separated by 10 m(two copper wires inside a nonconducting sheath) and carryingequal-magnitude currents in opposite directions; F. 100 V/m;G. approximately a vertical line; H. the compass detects horizontalmagnetic fields, so orient the wire vertically; I. 6 X 10° m;J. electrical attraction provides centripetal force, so 2 x 10° m/s;K. 0.1 m if you stand near a wall; L. from Coulomb's law,10° C/m²; M. 9 × 10³ km; N. laboratory tables are poweredN. What maximum current is reasonable?O. What magnetic field strength is needed?P. What is the maximum likely current in each conductor?Q. What is a typical wire diameter used to carry currents of thismagnitude in household or building wiring?R. What is the peak current?S. How can you compute the vector sum of the magnetic field mag-nitudes due to a large number of tiny segments of the currentloop?T. What magnitude of charge does the electron carry, and what isits inertia?with 20 A, 120 V circuits, so the available current will be on theorder of 20 A; O. enough to more than cancel Earth's magneticfield, say 4 X 10³T; P. 20 A for large appliances; Q. About 2 mmwire diameter; R. 105 A; S. by using the Biot-Savart law;T. e = 1.6 x 1019 C, m² = 9.11 × 10-31 kg; U. with 2-mm wirediameter, 500 turns per meter (or some small multiple of 500 turnsper meter, if the wire is wound in more than one layer) are possible;V. as a stack of horizontal current loops of different radii (careful:current depends on radius); W. 0.02 m. Developing a FeelMake an order-of-magnitude estimate of each of the following quantities. Letters in parentheses refer to hints below. Use them as needed toguide your thinking.1. The maximum magnetic field magnitude you are exposed to dueto current in the electrical wiring in your house (E, K, P)2. The straight-wire current needed to reverse the deflection of acompass needle sitting on your laboratory table (H, A, O, W)3. The maximum magnetic field strength 10 m from a typical light-ning bolt (G, R)4. The maximum magnitude of the magnetic field you can producein a solenoid sitting on your laboratory table when the core con-tains only air (D, N, Q, U)5. The maximum magnetic force per meter between the antiparallelcurrents in your household wiring (P, E)6. The electric current around the equator needed to produceEarth's magnetic field at the North Pole (B, I, M, S)7. The magnitude of the magnetic field at the center of a Bohr-modelhydrogen atom caused by the electron orbiting the nucleus (C, J, T)8. The magnitude of the magnetic field at the North Pole that mightbe attributed to Earth's rotation, assuming a uniformly chargedsurface (F, L, I, V)

Question

Please answer 4-6 only.Ps. If you have answered this already please skip so other can answer it, I just would like to compare the answers. Thank you! HintsA. What is the horizontal component of Earth's magnetic field inyour neighborhood?B. What is the magnetic field magnitude at the North Pole?C. What is the orbit radius?U. What is the maximum number of turns n per meter ofsolenoid?V. How should you model the current?W. How close to the wire can you place the compass?D. What are the crucial variables to maximize?E. What is the current configuration?F. What is the magnitude of the electric field near Earth's surface?G. How should you model the current?H. How should the wire be oriented?I. What is the radius of Earth?J. What is the electron's speed?K. How close do you come to the wiring?L. What surface charge density could create this electric fieldmagnitude?M. What is the straight-line distance from a point on the equator tothe North Pole?Key (all values approximate)A. 2 x 10-5 T; B. 7 × 10-5 T; C. 5 × 10-1&#34; m; D. becauseB = µonI, both I and n (number of windings per unit length)should be maximized; E. paired conductors separated by 10 m(two copper wires inside a nonconducting sheath) and carryingequal-magnitude currents in opposite directions; F. 100 V/m;G. approximately a vertical line; H. the compass detects horizontalmagnetic fields, so orient the wire vertically; I. 6 X 10° m;J. electrical attraction provides centripetal force, so 2 x 10° m/s;K. 0.1 m if you stand near a wall; L. from Coulomb's law,10° C/m²; M. 9 × 10³ km; N. laboratory tables are poweredN. What maximum current is reasonable?O. What magnetic field strength is needed?P. What is the maximum likely current in each conductor?Q. What is a typical wire diameter used to carry currents of thismagnitude in household or building wiring?R. What is the peak current?S. How can you compute the vector sum of the magnetic field mag-nitudes due to a large number of tiny segments of the currentloop?T. What magnitude of charge does the electron carry, and what isits inertia?with 20 A, 120 V circuits, so the available current will be on theorder of 20 A; O. enough to more than cancel Earth's magneticfield, say 4 X 10³T; P. 20 A for large appliances; Q. About 2 mmwire diameter; R. 105 A; S. by using the Biot-Savart law;T. e = 1.6 x 1019 C, m² = 9.11 × 10-31 kg; U. with 2-mm wirediameter, 500 turns per meter (or some small multiple of 500 turnsper meter, if the wire is wound in more than one layer) are possible;V. as a stack of horizontal current loops of different radii (careful:current depends on radius); W. 0.02 m. Developing a FeelMake an order-of-magnitude estimate of each of the following quantities. Letters in parentheses refer to hints below. Use them as needed toguide your thinking.1. The maximum magnetic field magnitude you are exposed to dueto current in the electrical wiring in your house (E, K, P)2. The straight-wire current needed to reverse the deflection of acompass needle sitting on your laboratory table (H, A, O, W)3. The maximum magnetic field strength 10 m from a typical light-ning bolt (G, R)4. The maximum magnitude of the magnetic field you can producein a solenoid sitting on your laboratory table when the core con-tains only air (D, N, Q, U)5. The maximum magnetic force per meter between the antiparallelcurrents in your household wiring (P, E)6. The electric current around the equator needed to produceEarth's magnetic field at the North Pole (B, I, M, S)7. The magnitude of the magnetic field at the center of a Bohr-modelhydrogen atom caused by the electron orbiting the nucleus (C, J, T)8. The magnitude of the magnetic field at the North Pole that mightbe attributed to Earth's rotation, assuming a uniformly chargedsurface (F, L, I, V)

Accepted Answer

Questions 4-6 have been asked to answer.
As there are 3 different questions, we will answer the…