Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.75 µA 10.3 µA 14.8 µA 7.8 µA None of these 7.75 µA 10.3 µA 14.8 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values None of these less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: None of these thermocouple electric device solar cell chemical cell None of these thermocouple electric device solar cell chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 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, 5% 22, 000 Ohm, 10% 220 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% 220 Ohm, 5% None of these ANSWER DOWNLOAD EXAMIANS APP
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