parallel-circuits electronics question and answers -Page 4

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Parallel Circuits problems

1. 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.

2. 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

4. 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

6.

In the given circuit, Channel 1 of the stereo amplifier outputs 12 V to the speakers. How much total current is the amplifier providing to the speakers?
Options
A. 0 A
B. 1.5 A
C. 3 A
D. More information is needed to find the total current provided to the speakers.

7.
What would these meter readings indicate about the circuit in the given circuit?
Meter Readings: I = 0 mA, V = 0 V
Options
A. R₁ is open.
B. R₂ is open.
C. The fuse is open.
D. The circuit is operating normally.

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