Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 0.041666666666667 9.3 W 0.93 V 0.93 W None of these 0.041666666666667 9.3 W 0.93 V 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? All of these Copper Silicon Germanium None of these All of these Copper Silicon Germanium None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases None of these Stays the same 0oC Increases Decreases None of these Stays the same 0oC Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a piece of copper wire a conductor None of these a battery an insulator a piece of copper wire a conductor None of these a battery an insulator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS