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
I = P/E
None of these

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Electronic Principles
Which one of the following statements is true for the currents in a parallel RL circuit?

The total current is less than the sum of the currents through the resistance and inductance
The total current is equal to the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit
The total current leads the total voltage by less than 90
None of these

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Electronic Principles
What is a negative ion?

An atom that contains more electrons than neutrons
An atom that contains more electrons than protons
An atom that contains more protons than electrons
An atom that contains more protons than neutrons
None of these

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

100 V and a parallel resistance of 10 k Ohm
None of these
1000 V and a parallel resistance of 10 kOhm
100 V and a series resistance of 10 k Ohm
1000 V and a series resistance of 10 k Ohm

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Electronic Principles
Which one of the following statements is true for voltage in a series circuit?

The total voltage is equal to the sum of the individual voltages in a series circuit
The total voltage in a series circuit is equal to the average value of the individual voltages
The total voltage in a series circuit is always less than the value of the smallest voltage
None of these
The total voltage of a series circuit is equal to the total current divided by the total resistance

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