Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 7200 A 0.5A None of these 180 A 0.083333333333333 7200 A 0.5A None of these 180 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these base current emitter current collector current supply current None of these base current emitter current collector current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates magnetic lines of force None of these the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force the amount of opposition to the current flow how well the material concentrates magnetic lines of force None of these the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
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