Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? None of these Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries None of these Common flashlight batteries are secondary dry-cell batteries 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 Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P P = E2/R None of these I = P/E P = PR R = E2/P P = E2/R None of these I = P/E P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: None of these has no effect on the capacitive reactance doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
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