001 (part 1 of 2) 10.0 points A solenoid 117 cm long has 830 turns and a radius of 2.96 cm. If it carries a current of 3.83 A, find the magnetic field along the axis at its center. 1. 0.00341429 2. 0.00235709 3. 0.00466584 4. 0.00379162 5. 0.00295729 6. 0.00123353 7. 0.00408141 8. 0.00130275 9. 0.00396993 10. 0.00552524 Answer in units of T. 002 (part 2 of 2) 10.0 points Calculate the magnetic field at a point near one end. 1. 0.00222185 2. 0.00157014 3. 0.00192551 4. 0.00170715 5. 0.000477129 6. 0.000463252 7. 0.00133704 8. 0.00139644 9. 0.000635968 10. 0.00056491 Answer in units of T.A silver wire has a resistance of 8 0 at 20 C. What resistance does it have at 43 C? Use a temperature coefficient of resistivity of 0.0038 (C). Neglect any change in length or cross-sectional area resulting from the tem- perature change. 1. 12.8208 2. 6.5472 3. 8.6992 4. 6.4788 5. 4.50324 6. 7.4256 7. 4.3192 8. 12.3053 9. 16.1242 10. 4.70096 Answer in units of Q.The equivalent resistance of the circuit in the gure is Reg 2 70.0 9. 109 999 Find the value of R. How much current is drawn by a television with a resistance of 43 0 that is connected across a potential difference of 112 V?Consider the current loop and magnetic field shown below. The diagram here is even worse than the usual Quest diagram. The loop and magnetic field are in the plane of the page, with the current clockwise and the magnetic field pointing to your right. B Does the magnetic field exert a net torque on the loop? What direction will the loop rotate if it is free to spin?UUS 10.0 points At what distance from a long, straight wire carrying a current of 8 A is the magnetic field due to the wire equal to the strength of the Earth's field, approximately 5 x 10 5 T?A singly-charged positive ion has a mass of 2.7 x 10 2 kg. After being accelerated through a potential difference of 729 V, the ion enters a magnetic field of 1.15 T along a direction perpendicular to the direction of the electric field. The charge on an electron is 1.60218 x 10-19 C. Calculate the radius of the path of the ion in the magnetic field.Consider the two circuits below. E E R R1 R2 Series Parallel Connection Connection In the series circuit, if the potential dif- ference across the battery is 20 V and the potential difference across R1 is 12 V, what is the potential difference across R2?In this problem assume that the batteries have zero internal resistance. The currents are owing in the direction indicated by the arrows. 5.7 V 17.4 R Find the current through the 17.4 9 resistor and the 5.7 V battery at the top of the circuit. The magnetic force acting on a wire that is perpendicular to a 3.7 T uniform magnetic field is 3.7 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field