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Resistors: Type of work done by electric current; calculate resistance in circuit

PART ONE:
If an electric circuit contains only an ordinary resistor, all the work done by the electric current appears as:

A) light

B) rotary motion

C) chemical action

D) heat

PART TWO:
Two 10.0 ohm resistors are connected in parallel, and this combination is connected in series with a third 10.0 ohm resistor. The resistance of this network is

A) 10.0 ohms

B) 5.0 ohms

C) 15.0 ohms

D) 20.0 ohms

Solution Summary

Each problem is clearly answered including calculations, as required.

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