Q.1
The following resistors (one each) are connected in a series circuit: 470 Ω, 680 Ω, 1 kΩ, and 1.2 kΩ. The voltage source is 20 V. Current through the 680 Ω resistor is approximately
Q.2
Two 6 V batteries are connected series aiding across two 1.2 kΩ resistors in series. Current through each resistor is
Q.3
A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is
Q.4
The voltage at one point in a circuit is always measured relative to another point.
Q.5
A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is
Q.6
The total resistance of a circuit is 680 Ω. The percentage of the total voltage appearing across a 47 Ω resistor that makes up part of the total series resistance is
Q.7
The total resistance of eight 5.6 kΩ resistors in series is
Q.8
Two 1.5 V cells are connected series opposing across two 100 Ω resistors in series. Total current flow is
Q.9
In a series circuit, the individual powers are additive.
Q.10
The sum of all the voltage drops around a single closed loop in a circuit is zero.
Q.11
When a fourth resistor is connected in series with three resistors, the total resistance
Q.12
If a 24 V and a 6 V battery are series opposing, the total voltage is
Q.13
Which of the following series combinations dissipates the most power when connected across a 120 V source?
Q.14
A series circuit acts as a current divider.
Q.15
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
Q.16
Three 680 Ω resistors are connected in series with a 470 V source. Current in the circuit is
Q.17
The term 'series opposing' means that sources are in series with opposite polarities.
Q.18
If a 6 V and a 9 V source are connected series aiding, the total voltage is
Q.19
A series circuit acts as a voltage divider.
Q.20
A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 Ω. If each resistor is operating in the circuit at its maximum power dissipation, total current flow is
Q.21
A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor is
Q.22
If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.
Q.23
Two resistors are in series: a 5.6 kΩ resistor and a 4.7 kΩ resistor. The voltage drop across the 5.6 kΩ resistor is 10 V. The voltage across the 4.7 kΩ resistor is
Q.24
The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
Q.25
A short in a series circuit prevents current.
Q.26
To measure the current out of the second resistor in a circuit consisting of four resistors, an ammeter can be placed
Q.27
Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is
Q.28
The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.
Q.29
A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is
Q.30
There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage is
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