Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm 1234 Ohm 3890 Ohm 844.5 Ohm None of these 692.2 Ohm 1234 Ohm 3890 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 60 Ohm 99.3 Ohm 70.7Ohm None of these 250 Ohm 60 Ohm 99.3 Ohm 70.7Ohm None of these 250 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.6 A None of these 0.4 A 0.2 A 0.3 A 0.6 A None of these 0.4 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential Forward voltage None of these Applied voltage Breakdown voltage Barrier potential Forward voltage None of these Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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