Electronic Principles Current is The flow of charged particles through a material The force that causes electrons to flow The number of free electrons in an atom None of these An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow The number of free electrons in an atom None of these An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals None of these Atoms Positive charges Negative charges Crystals None of these Atoms Positive charges Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: 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 inductance required to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these 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 inductance required to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 30 Ohm 60 Ohm 120 Ohm 754 Ohm None of these 30 Ohm 60 Ohm 120 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from left to right None of these from neutral to positive from positive to negative from negative to positive from left to right None of these from neutral to positive from positive to negative from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 None of these 85 81 6 9 None of these 85 81 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS