Part D What rms value of the current Irms flows in that case? Express your answer with the appropriate units. μÅ Irms= Value Units Submit Previous Answers Request Answer ?
Part D What rms value of the current Irms flows in that case? Express your answer with the appropriate units. μÅ Irms= Value Units Submit Previous Answers Request Answer ?
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
Transcribed Image Text:An antenna is created by wrapping a square frame with
side length a by a wire N times and then connecting the
leads to a resistor R and a capacitor C, as shown in
(Figure 1). The loop itself has self-inductance L. A plane
electromagnetic wave with electric field
E = Emax cos(kz - wt)ĵ propagates in the
+z-direction. The origin is at the center of the frame.
Figure
KG-
1 of 1
Part C
The electromagnetic wave has frequency 4.00 MHz and intensity 100 W/m². The coil has N = 50 windings and
side length a = 10.0 cm. It follows that its self-inductance is L = 78.0 H. If the resistance in the circuit is
R = 100 , what value of the capacitance C results in the resonance frequency of the L-R-C circuit being equal to
the frequency of the wave?
Express your answer with the appropriate units.
C = 2.03x10-11 F
Submit
✓ Correct
Part D
Previous Answers
What rms value of the current Irms flows in that case?
Express your answer with the appropriate units.
" μÀ ^
Irms=
Submit
Value
Units
Previous Answers Request Answer
Review | Constants
?
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