Electronic Principles
To get the Norton current, you have to

Short the voltage source
Open the load resistor
Open the voltage source
Short the load resistor
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?

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

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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
None of these
Like magnetic poles repel, while unlike poles attract
Like magnetic poles attract, while unlike poles repel
Current is induced in a conductor that is moving through a magnetic field

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

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

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Electronic Principles
What is a negative ion?

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

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