Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these 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 algebraic sum of voltages in a loop is equal to zero 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 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 algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these Only those produced by thermal energy many less than the free electrons Same number as free electrons None of these Only those produced by thermal energy many less than the free electrons Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: thermocouple photodiode None of these solar cell photo transistor thermocouple photodiode None of these solar cell photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time None of these their waveforms are both ac or both dc they have the same amplitude and frequency All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these their waveforms are both ac or both dc they have the same amplitude and frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = I2R P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
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