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← ScienceWhich limit becomes higher when applying dielectric material around antennae?
A)Signal wavelength reduction rate
B)Radiated magnetic field attenuation
C)Antenna's capacitance resonance frequency✓
D)Electromagnetic wave propagation velocity
💡 Explanation
The resonance frequency of antenna increases because adding a dielectric modifies the capacitance, shifting the resonance. This frequency increases; therefore, the antenna could efficiently transmit at higher rather than its original frequencies.
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