Electronic Principles The rotating coil of wire in an electric motor is called the: commutator brush loop armature None of these commutator brush loop armature None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force None of these The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force None of these The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm one million ohms 100,000 ohm 1 k ohm None of these one-millionth of an ohm one million ohms 100,000 ohm 1 k ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms Positive charges Crystals None of these Negative charges Atoms Positive charges Crystals None of these Negative charges 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: armature commutator battery rotor None of these armature commutator battery rotor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 None of these 2 mA 200 A 0.5 mA 0.083333333333333 None of these 2 mA 200 A 0.5 mA ANSWER DOWNLOAD EXAMIANS APP
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