For the circuit in Figure 23.2, the capacitance of the capacitor is 1.50 F, and the rms voltage of the generator is 25.0 V. What is the rms current in the circuit when the frequency of the generator is (a) 1.00 102 Hz and (b) 5.00 103 Hz? R

PHY 184 Week 9 Notes-Magnetic Fields & Electromagnetic Induction 10/24-10/27 Moving charges produce a magnetic field o The Biot-Savart Law establishes this relation Wires produce a magnetic field o Can be seen by a compass near the wires μ d B= 0 ids×^ ⏞= ⃗ o 4π r2 ; r μ0 is the magnetic permeability of free space 4π 10 -7 To calculate B at P just integrate along the path Solving for B using symmetry gives B= μ0i o 2πd 2 Parallel Wires Consider a wire with current i a d1stance d away, with another wire nearby with current i .2 o They will attract Magnetic Force is given by F=i2L B1si