Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A None of these the amount of inductance required to change the frequency of a current by 1 Hz the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.41666666666667 None of these 0.1 A 1000 A 100 A 0.41666666666667 None of these 0.1 A 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is minimum at the resonant frequency is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from neutral to positive from left to right None of these from negative to positive from positive to negative from neutral to positive from left to right None of these from negative to positive from positive to negative 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? 250 Ohm None of these 99.3 Ohm 70.7Ohm 60 Ohm 250 Ohm None of these 99.3 Ohm 70.7Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Thevenin current Shorted-load current Thevenin voltage None of these Open-load current Thevenin current Shorted-load current Thevenin voltage None of these Open-load current ANSWER DOWNLOAD EXAMIANS APP
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