Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm None of these 1 k ohm one million ohms 100,000 ohm one-millionth of an ohm None of these 1 k ohm one million ohms 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? None of these 48 4 14 29 None of these 48 4 14 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic None of these p-type Intrinsic n-type Extrinsic None of these p-type Intrinsic n-type ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes None of these Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: momentary push button switch None of these toggle switch knife switch rotary switch momentary push button switch None of these toggle switch knife switch rotary switch ANSWER DOWNLOAD EXAMIANS APP