Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell photodiode piezoelectric device None of these solar cell nicad cell photodiode piezoelectric device None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance 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 currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance 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 currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes many free electrons None of these many holes No holes a few free electrons and holes many free electrons None of these many holes No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm None of these 3890 Ohm 844.5 Ohm 1234 Ohm 692.2 Ohm None of these 3890 Ohm 844.5 Ohm 1234 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Permeance There is no valid comparison Reluctance Permeability Retentivity Permeance There is no valid comparison Reluctance Permeability ANSWER DOWNLOAD EXAMIANS APP
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