Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ammeter Ohmmeter Voltmeter None of these Wattmeter Ammeter Ohmmeter Voltmeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more protons than neutrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 20 Ohm 100 Ohm 10 Ohm None of these 30 Ohm 20 Ohm 100 Ohm 10 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these armature commutator rotor battery None of these armature commutator rotor battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = E/R I = ER None of these E = I2R E = PR I = E/R I = ER None of these E = I2R E = PR ANSWER DOWNLOAD EXAMIANS APP