Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: None of these No more than 10% less than the primary current One-half the primary current Twice the primary current Same as the primary current None of these No more than 10% less than the primary current One-half the primary current Twice the primary current Same as the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22, 000 Ohm, 10% 220 Ohm, 10% 220 Ohm, 5% 22,000 Ohm, 5% None of these 22, 000 Ohm, 10% 220 Ohm, 10% 220 Ohm, 5% 22,000 Ohm, 5% None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 20 mW None of these 300 mW 10 mW 200 mW 20 mW None of these 300 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 8 V 16 V 15 V 7.5 V None of these 8 V 16 V 15 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
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