Electronic Principles What is one important thing transistors do? None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral Unipolar None of these Linear Nonlinear Bilateral Unipolar None of these Linear Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal None of these One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal None of these One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has A small internal resistance Infinite internal resistance Zero internal resistance None of these A large internal resistance A small internal resistance Infinite internal resistance Zero internal resistance None of these A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
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