Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage Neither Impossible to say None of these Secondary voltage Primary voltage Neither Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 38.74 V 30.4 V 37.4 V None of these 35.4 V 38.74 V 30.4 V 37.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Stays the same Decreases None of these 0oC Increases Stays the same Decreases None of these 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Can be any of above None of these Stays the same Increases Decreases Can be any of above None of these Stays the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP