Basic electricity questions for use with Turning Point

1. The Product-over-the-Sum Formula is best used
when how many Loads are in parallel?
1. Three
2. Four
3. Two
4. None of the Above
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2. When four Loads of equal value are in Parallel,
the Total Resistance is
1. Sum of all Four
2. 25% of One Load
3. Dependent on the
Voltage
4. The sum divided by
two
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3. The current through three parallel loads are 6A,
1.5A, and 300mA; what is the total current
1. Less than 300mA
2. 7800mA
3. Have to know the
Voltage first
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4. Four Resistors in Parallel: 3 are 1Mohms and
one is 10 ohms, what is the Total Resistance?
1. 3,000,010 ohms
2. 333,343 ohms
3. Between 10 and 15
ohms
4. Less than 10 ohms
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5. If a parallel circuit had 3 Loads, what would be the
affect on Current if another Load was added in
Parallel?
1. Would not change if
the Voltage
remained the same
2. The current would
increase
3. The current would
decrease
4. Depends on the size
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of the Load
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6. If a parallel circuit added another Load in
parallel, the total resistance would
1. Increase
2. Not change
3. Change only if the
Voltage changed
4. Decrease
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7. The sum of Current entering a point
_____________ the Current leaving that point.
1. Equals the sum of
2. Drops
3. Shares
4. Develop a Voltage
Drop
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8. Seven Resistors are in Parallel with values of 10K,
1000, 10K, 2000, .01M, 10,000, and 10K ohms. What
is the Total Resistance of the circuit?
1. 53K ohms
2. 6K ohms
3. 500 ohms
4. 250 ohms
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