Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these their waveforms are both ac or both dc None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow how well the material concentrates magnetic lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Forward voltage Barrier potential Breakdown voltage None of these Applied voltage Forward voltage Barrier potential Breakdown voltage None of these Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals None of these -276o C -273o C 0o C 25o C None of these -276o C -273o C 0o C 25o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW None of these 10 mW 200 mW 20 mW 300 mW None of these 10 mW 200 mW 20 mW ANSWER DOWNLOAD EXAMIANS APP
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