Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude the number of cycles completed in one second equal to 1.41 times the peak amplitude the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second equal to 1.41 times the peak amplitude the time required to complete one full cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ammeter Voltmeter Ohmmeter None of these Wattmeter Ammeter Voltmeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal 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 an inductor that has a reactance of 200 W? 88.8 ohm 77.7 ohm None of these 224 ohm 89.3 ohm 88.8 ohm 77.7 ohm None of these 224 ohm 89.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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