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? None of these P = E2/R P = I2R P = IE I = P/E None of these P = E2/R P = I2R P = IE I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 3 W None of these 6 W 64 W 122 W 3 W None of these 6 W 64 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? None of these Neither Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 10000A one million amperes 1000 A None of these one-millionth of an ampere 10000A one million amperes 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: rotary switch knife switch toggle switch momentary push button switch None of these rotary switch knife switch toggle switch momentary push button switch None of these ANSWER DOWNLOAD EXAMIANS APP