Electronic Principles Most AC power is obtained from: None of these lightning generators oscillators batteries None of these lightning generators oscillators batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 0 degree 26.6 degree None of these 180 degree 90 degree 0 degree 26.6 degree None of these 180 degree 90 degree 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 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 to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A 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 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 to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: voltage generators solar cells None of these chemical cells piezoeletric cells voltage generators solar cells None of these chemical cells piezoeletric cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm None of these Less than 100 k Ohm Less than 10 Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 100 k Ohm Less than 10 Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP