▼ Part A How much energy is transported across a 1.30 cm² area per hour by an EM wave whose E field has an rms strength of 36.8 mV/m ? The wave travels in free space. Express your answer using three significant figures. 17 ΑΣΦ AU At = Submit Request Answer ? J/h
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- A simple series circuit consists of a 160 resistor, a 28.0 V battery, a switch, and a 3.20 pF parallel-plate capacitor (initially uncharged) with plates 5.0 mm apart. The switch is closed at t = Os. ▼ Submit Part B After the switch is closed, find the maximum displacement current through the capacitor. VGI ΑΣΦ Submit Part C Request Answer Find the electric flux at t: = Submit —| ΑΣΦ Part D Request Answer Submit 0.50 ns. Request Answer Find the displacement current at t = 0.50 ns. ΠΕ ΑΣΦ Request Answer ? ? ? A V.m AThe magnetic field at the earth's surface can vary in response to solar activity. During one intense solar storm, the vertical component of the magnetic field changed by 2.8 μT per minute, causing voltage spikes in large loops of the power grid that knocked out power in parts of Canada. Part A What emf is induced in a square 180 km on a side by this rate of change of field? Express your answer with the appropriate units. E = Submit μA Value Provide Feedback Request Answer Units ? Review | Constants | Periodic Table Next >12
- A SMALL BULB RADIATES EM ENERGY IN ALL DIRECTIONS. AT A DISTANCE OF 3.0M FROM THE SOURCE, THE RMS MAGNETIC FIELD 15 4.7 x 107 T. FIND THE AVERAGE POWER OF THIS SOURCE.||| INT A 20-cm-long, zero-resistance wire is pulled outward, on zero-resistance rails, at a steady speed of 10 m/s in a 0.10 T magnetic field. (See Figure P25.630.) On the opposite side, a 1.0 carbon resistor completes the circuit by connecting the two rails. The mass of the resistor is 50 mg. a. What is the induced current in the circuit? b. How much force is needed to pull the wire at this speed? c- Calculate the power dissipation in the resistor. 1.0 Ω X X X X X X X X X X X X X X X 0 XX X 0 Ω Χ 1 = 20 cm X X X 0.1 T X X X X X X Χ 0Ω Χ X X X X X X X v = 10 m/sWhat inductance must be connected to a 20 pF capacitor in an oscillator capable of generating 590 nm (i.e., visible) electromagnetic waves? Number i Units