DETERMINE_THE_IMPEDANCE_OF_A_COAXIAL_CABLE_SYSTEM_OPERATING_AT_TEMPERATURE_17_DEGREE_CELSIUS_AT_OUTPUT_VOLTAGE_OF_5V,_0.85‚ÂÀ√≠¬¨‚À´MWAVELENGTH,_OPTICAL_POWER_OF_1MW,_70%_QUANTUM_EFFICIENCY_AND_SNR_RATIO_OF_1.04_*_104.?$#

• A. 80‚âà√≠¬¨¬©
• B. 50‚âà√≠¬¨¬©
• C. 90‚âà√≠¬¨¬©
• D. 100‚âà√≠¬¨¬©