Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? 2 3 1 None of these 2 3 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltages is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltages is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 220 ohm None of these 690 ohm 445 ohm 150 ohm 220 ohm None of these 690 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
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