Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

Wattmeter
Ohmmeter
Voltmeter
Ammeter
None of these

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

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 voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The total resistance of a parallel circuit is less than the value of the smallest resistance
None of these

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