Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost a proton None of these Gained an electron Lost an electron Gained a proton Lost a proton None of these Gained an electron Lost an electron Gained a proton 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 = E2/R I = P/E P = IE P = I2R None of these P = E2/R I = P/E P = IE P = I2R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree None of these storing 1 V for 1 second dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree None of these storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called None of these Recombination Thermal energy Lifetime Covalent bonding None of these Recombination Thermal energy Lifetime Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
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