Electronic Principles The rotating coil of wire in an electric motor is called the: brush armature None of these commutator loop brush armature None of these commutator loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Linear Bipolar Active Nonlinear None of these Linear Bipolar Active Nonlinear None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.75 µA 10.3 µA 7.8 µA None of these 14.8 µA 7.75 µA 10.3 µA 7.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow how well the material concentrates electrostatic lines of force None of these how well the material concentrates magnetic 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 electrostatic lines of force None of these how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
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