16. [0.5/1 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 22. 10.P.055. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER " . . . . ....... The figure below shows a long straight wire near a rectangular current loop. (Assume I, = 20.0 A and r = 8.50 cm.) 10.0 cm 12 = 30.0 A 30.0 cm What is the magnitude in newtons and direction of the total force on the loop? magnitude N direction away from the wire v13. [0.75/1 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 22.9.WA.054. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER As shown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 3.26 A and I2 = 4.65 A in the direction indicated. d 12 (a) Determine the magnitude and direction of the magnetic field at a point midway between the wires (d = 10.0 cm). magnitude 5.56 HT direction 90 . counterclockwise from the +x-axis (b) Determine the magnitude and direction of the magnetic field at point P, located d = 10.0 cm above wire 1. magnitude 12.10 HT direction 18.43 X What are the x and y components of the net magnetic field? Can you use trigonometry to determine the direction? counterclockwise from the +x-axis Additional Materials4. [-/1 Points] DETAILS OSCOLPHYS2016 23.2.P.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose a 40-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.125 m . It is stretched to have no area in 0.100 s. What is the magnitude (in V) and direction (as seen from above) of the average induced emf if the uniform magnetic field has a strength of 1.20 T? magnitude V direction ---Select--- +13. [I1 Points] OSCOLPHYSZO1623.7.P.O47. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) what is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if its primary has 525 turns, its secondary 8 turns, and the input voltage is 113 V? (b) what is the V What input current (in mA) is required to produce a 4.00 A output? mA power input (in W)? W 21. [-/1 Points] OSCOLPHY52016 23.11.P.083. (a) Find the current (in A) through a 0.430 H inductor connected to a 60.0 Hz, 490 V AC source. (b) A What would the current be (in A) at 100 kHz? A Additional Materials m Reading ASK YOUR TEACHER PRACTICE ANOTHER 22. [/1 Points] OSCOLPHYSZO1623.12.P.094. (a) (b) An LC circuit consists of a 3.00 mH inductor and a 5.00 uF capacitor. Find its impedance (in (I) at 60.0 Hz. 0 Find its impedance (in Q) at 10.0 kHz. 0 ASK YOUR TEACHER Compare these values on with those found in Example 23.12 of the textbook, in which there was also a resistor: Why are they similar? (Select all that apply.) I At low frequency, the capacitor dominates. At low frequency, the inductor dominates. The resistor makes little contribution to the total impedance. At high frequency, the capacitor dominates. : At high frequency, the inductor dominates