Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell electric device None of these thermocouple chemical cell solar cell electric device None of these thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A None of these 0.4 A 0.6 A 0.2 A 0.3 A None of these 0.4 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE P = E2/R P = I2R None of these I = P/E P = IE P = E2/R P = I2R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: commutator battery rotor None of these armature commutator battery rotor None of these armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain None of these decreases contant can be any of the above increases None of these decreases contant can be any of the above increases ANSWER DOWNLOAD EXAMIANS APP
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