51. The sum of all the voltage drops in a series circuit equals the source voltage.
52. To find the total current in series, add the individual currents.
53. Ground is the reference point from which voltages are measured in an electronic circuit.
54. The voltage across R1 is 10 volts.
55. In a series circuit, the current flowing out of a resistor won't always equal the current flowing into that resistor.
56. As additional resistors are added to a series circuit, the total circuit resistance increases.
57. The ______ determines whether connected resistors are in series, parallel, or series-parallel?
58. If a 3.9 k, a 7.5 k, and a 5.6 k resistor are connected in series with a 34 V source, the voltage dropped across the 7.5 k resistor equals _____.
59. In the given circuit, R1 equals _____.
60. The total circuit power in the given circuit equals _____.
61. In the given circuit, the voltage dropped across R3 equals ___.
62. If a 220 , a 100 , and a 180 resistor are connected in series across a 12 V source, the circuit current equals ___.
63. If a 47 and a 68 resistor are connected in series, the total resistance is ___.
64. In the given circuit, R2 equals _____.
65. The polarity on the side of the resistor where current enters is ______. The polarity on the side of the resistor where current exits is ___________.
66. A voltage divider is always a _____
67. If five equal resistors are connected in series with a 20 V source, and a current of 400 µA is measured, each resistor equals ___.
68. If four 90 resistors are connected in series across an 18 V source, the current equals ___.
69. –1.2 V, +15 V, and –6 V batteries are connected in series. The magnitude of total voltage is _________.
70. In the given circuit, _____ are in series.
71. What is the current flow through R1, R2, and R3?
72. One of the most common applications of a potentiometer is as an adjustable voltage divider, also known as
73. If the resistance total in a series circuit doubles, current will: