Electronic Principles Silicon atoms combine into an orderly pattern called a Semiconductor None of these Valence orbit Crystal Covalent bond Semiconductor None of these Valence orbit Crystal Covalent bond ANSWER DOWNLOAD EXAMIANS APP
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: Twice the primary current One-half the primary current None of these Same as the primary current No more than 10% less than the primary current Twice the primary current One-half the primary current None of these Same as the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 208 mA 7.8 mA 300 mA 200 mA None of these 208 mA 7.8 mA 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: ampere watt volt ohm None of these ampere watt volt ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 400 Ohm 410 Ohm 310 Ohm 550 Ohm None of these 400 Ohm 410 Ohm 310 Ohm 550 Ohm ANSWER DOWNLOAD EXAMIANS APP
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