Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 690 ohm 220 ohm None of these 150 ohm 445 ohm 690 ohm 220 ohm None of these 150 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell thermocouple piezoelectric devices None of these chemical cell solar cell thermocouple piezoelectric devices None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these emitter current supply current collector current base current None of these emitter current supply current collector current base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy None of these Chemical energy Solar energy Electronical energy Mechanical energy None of these Chemical energy Solar energy Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V 707 V 700 V None of these 208 V 651 V 707 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 180 V 170 V None of these 120 V 100 V 180 V 170 V None of these 120 V ANSWER DOWNLOAD EXAMIANS APP
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