Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current 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 0.5 mA None of these 200 A 2 mA 0.083333333333333 0.5 mA None of these 200 A 2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A 0.083333333333333 None of these 7200 A 0.5A 180 A 0.083333333333333 None of these 7200 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from neutral to positive None of these from negative to positive from right to left from positive to negative from neutral to positive None of these from negative to positive from right to left from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 1 k ohm None of these one million ohms 100,000 ohm one-millionth of an ohm 1 k ohm None of these one million ohms 100,000 ohm one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP