electronic tech midterm??

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Last updated 11:10 PM on 11/3/22
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14 Terms

1
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the battery symbol is
knowt flashcard image
2
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a voltage will influence current only if the circuit is
closed
3
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what is the voltage for four 9V batteries connected through series-aiding?
the total voltage is 36
4
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what happens to total resistance in a circuit with parallel resistors if one of them opens?
It increases
5
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what happens to total current in a circuit with parallel resistors if one of them opens?
It decreases
6
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a parallel circuit differs from a series circuit in that a parallel circuit has
more than one path for current flow
7
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the total resistance in a parallel circuit is always less than the least resistor
true because there are more paths for the current to pass through
8
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the largest branch resistance in a parallel circuit carries the largest branch current
false because the current is greatest where the resistance is least
9
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if the resistance total in a series circuit doubles, current will:
be halve
10
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the total resistance of a series circuit always depends on the highest value resistor in that circuit
false because the total resistance of a series circuit is equal to the sum of all individual resistances
11
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if doubling the voltage across a resistor doubles the current through the resistor then
the resistor value increased
12
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if the resistance in a circuit with constant voltage increases, the current will
decrease
13
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doubling the voltage across a resistor will cut the current by half
false because v² / r = a
14
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Ohm's law equation
V=IR