Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Covalent bonding None of these Recombination Lifetime Thermal energy Covalent bonding None of these Recombination Lifetime Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm 1234 Ohm 3890 Ohm None of these 844.5 Ohm 692.2 Ohm 1234 Ohm 3890 Ohm None of these 844.5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The total current in a parallel circuit is less than the value of the smallest current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these 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 the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the amount of counter emf required to reduce a current to 1 A ANSWER DOWNLOAD EXAMIANS APP