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? 224 ohm 88.8 ohm 77.7 ohm 89.3 ohm None of these 224 ohm 88.8 ohm 77.7 ohm 89.3 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Voltmeter Ohmmeter Wattmeter None of these Ammeter Voltmeter Ohmmeter Wattmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes a few free electrons and holes many free electrons None of these No holes many holes a few free electrons and holes many free electrons None of these No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 38.74 V 35.4 V 37.4 V 30.4 V None of these 38.74 V 35.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 4 48 None of these 14 29 4 48 None of these 14 29 ANSWER DOWNLOAD EXAMIANS APP