Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value None of these the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from neutral to positive from negative to positive from left to right None of these from positive to negative from neutral to positive from negative to positive from left to right None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.75 mA 3.2 mA 13 mA 0.05 mA None of these 3.75 mA 3.2 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm None of these 90 Ohm - 101 ohm 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm None of these 90 Ohm - 101 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A 0.083333333333333 None of these 7200 A 0.5A 180 A 0.083333333333333 None of these 7200 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
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