Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22,000 Ohm, 5% 220 Ohm, 10% 220 Ohm, 5% None of these 22, 000 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 10% 220 Ohm, 5% None of these 22, 000 Ohm, 10% 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 how well the material concentrates electrostatic lines of force None of these 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 how well the material concentrates electrostatic lines of force None of these the amount of voltage it can withstand before breaking down the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? stays the same any of the above None of these decreases increases stays the same any of the above None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: toggle switch knife switch None of these momentary push button switch rotary switch toggle switch knife switch None of these momentary push button switch rotary switch ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 29 18 4 1 None of these 29 18 4 ANSWER DOWNLOAD EXAMIANS APP
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