Which is considered to be the common reference for a parallel circuit? Voltage C

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Question
Which is considered to be the common reference for a parallel circuit?
Options
A. Voltage
B. Current
C. Power
D. Resistance

Correct Answer

Voltage

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1. What are the individual values of two parallel resistors whose R_T is 8 ohms, when one has double the resistance of the other?
Options
A. 2.7 ohms and 5.3 ohms
B. 8 ohms and 16 ohms
C. 10 ohms and 20 ohms
D. 12 ohms and 24 ohms

2. The voltage across any branch of a parallel circuit:
Options
A. varies as the total current varies
B. is inversely proportional to total circuit resistance
C. is equally applied to all branch conductances
D. is dropped in proportion to each branch resistance

4. Kirchhoff's current law for parallel circuits states that the:
Options
A. sum of all branch voltages equals zero
B. total circuit resistance is less than the smallest branch resistor
C. sum of currents into a junction is equal to the difference of all the branch currents
D. sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction

6. When parallel resistors are of three different values, which has the greatest power loss?
Options
A. The smallest resistance
B. The largest resistance
C. They have the same power loss.
D. Voltage and resistance values are needed.

7. Which are the better test devices used to isolate a suspected open component within a parallel circuit?
Options
A. a voltmeter or an ohmmeter
B. neither an ammeter nor a voltmeter
C. a wattmeter or a voltmeter
D. an ammeter or an ohmmeter

9. A parallel circuit differs from a series circuit in that a parallel circuit has
Options
A. no path for current flow
B. fewer paths for current flow
C. one path for current flow
D. more than one path for current flow

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