Q.1

When a fourth resistor is connected in series with three resistors, the total resistance

  • increases by one-fourth
  • increases
  • decreases
  • remains the same
Q.2

A series circuit acts as a voltage divider.

  • True
  • False
Q.3

The term series opposing means that sources are in series with opposite polarities.

  • True
  • False
Q.4

To measure the current out of the second resistor in a circuit consisting of four resistors, an ammeter can be placed

  • between the second and third resistors
  • at the negative terminal of the source
  • between the third and fourth resistors
  • at any point in the circuit
Q.5

There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage

  • is 6 V
  • depends on the current flow
  • depends on the resistor values
  • is 30 V
Q.6

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

  • 0 V
  • 1.2 V
  • 6 V
  • 0.6 V
Q.7

The sum of all the voltage drops around a single closed loop in a circuit is zero.

  • True
  • False
Q.8

If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.

  • True
  • False
Q.9

In a series circuit, the individual powers are additive.

  • True
  • False
Q.10

If a 6 V and a 9 V source are connected series aiding, the total voltage is

  • 6 V
  • 9 V
  • 3 V
  • 15 V
Q.11

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

  • 3 A
  • 1 A
  • 4 A
  • 0.3 A
Q.12

A short in a series circuit prevents current.

  • True
  • False
Q.13

The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.

  • True
  • False
Q.14

The voltage at one point in a circuit is always measured relative to another point.

  • True
  • False
Q.15

If aV and a 6 V battery are series opposing, the total voltage is

  • 30 V
  • 24 V
  • 18 V
  • 0 V
Q.16

A series circuit acts as a current divider.

  • True
  • False
Q.17

Series aiding is a term sometimes used to describe voltage sources of the same polarity in series.

  • True
  • False
Q.18

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

  • 3 A
  • 1 A
  • 4 A
  • 0.3 A
Q.19

Which of the following series combinations dissipates the most power when connected across aV source?

  • one 220 resistor
  • two 220 resistors
  • three 220 resistors
  • four 220 resistors
Q.20

If aV and a 6 V battery are series opposing, the total voltage is

  • 30 V
  • 24 V
  • 18 V
  • 0 V
Q.21

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

  • 3 A
  • 1 A
  • 4 A
  • 0.3 A
Q.22

If aV and a 6 V battery are series opposing, the total voltage is

  • 30 V
  • 24 V
  • 18 V
  • 0 V
Q.23

Which of the following series combinations dissipates the most power when connected across aV source?

  • one 220 resistor
  • two 220 resistors
  • three 220 resistors
  • four 220 resistors
Q.24

If aV and a 6 V battery are series opposing, the total voltage is

  • 30 V
  • 24 V
  • 18 V
  • 0 V
Q.25

Which of the following series combinations dissipates the most power when connected across aV source?

  • one 220 resistor
  • two 220 resistors
  • three 220 resistors
  • four 220 resistors
Q.26

When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

  • increases
  • increases by one-third
  • decreases by one-third
  • decreases by the amount of current through the removed resistor
Q.27

Two 1.5 V cells are connected series opposing across two resistors in series. Total current flow is

  • 15 mA
  • 5 mA
  • 2 mA
  • 0 A
Q.28

The total power in a certain circuit isW. Each of the four equal-value series resistors making up the circuit dissipates

  • 12 W
  • 48 W
  • 3 W
  • 8 W
Q.29

The total resistance of a circuit is. The percentage of the total voltage appearing across a resistor that makes up part of the total series resistance is

  • 68%
  • 47%
  • 69%
  • 6.91%
Q.30

The total resistance of a circuit is. The percentage of the total voltage appearing across a resistor that makes up part of the total series resistance is

  • 68%
  • 47%
  • 69%
  • 6.91%
0 h : 0 m : 1 s