中国大学MOOC:"Power Conversion Efficiency=Optical output power / Electric input power";
举一反三
- 电动机的额定功率是指（ ） A: 输出的机械功率 output mechanical power B: 输入的机械功率input mechanical power C: 输入的电功率input electric power D: 输出的电功率output electric power
- Electric power is an indispensable energy on board, so _____ plays a role in distribution, conversion and control of electric power on board. A: power supply unit B: distribution device C: power network D: load
- (10分)This heater consumes _______________ that one does. A: greater twice electric power B: electric power twice as great as C: twice as great electric power as D: twice greater electric power
- When using a connector for optical fiber connection, if the connector is not continuous, it will cause . A: Optical power cannot be transmitted B: Fresnel reflection of optical power C: Scattering loss of optical power D: Part of the scattering loss of optical power or return to the transmitting end in the form of reflection
- When measuring the optical power, we should first ensure that the input optical power difference of each channel of the OMU is within ( ). A: 1dB B: 2dB C: 3dB D: 5dB