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? 651 V 208 V 707 V 700 V None of these 651 V 208 V 707 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current None of these supply current emitter current collector current base current None of these supply current emitter current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 445 ohm 690 ohm None of these 220 ohm 150 ohm 445 ohm 690 ohm None of these 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: None of these 1000 V 100 mV 1000 mV 1.00 V None of these 1000 V 100 mV 1000 mV 1.00 V ANSWER DOWNLOAD EXAMIANS APP
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