Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet None of these a paramagnetic alloy a temporary magnet a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 1 V 0.7V 0.3V None of these 2 m V per degree Celsius 1 V 0.7V 0.3V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter 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