Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A series circuit has
three 15 ? resistors. What is the effective resistance of the circuit? a. | 0.2 ? | c. | 15
? | b. | 5 ? | d. | 45
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2.
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In a standard flashlight battery, electrons leave
the battery from the ... a. | neutral terminal. | c. | positive terminal. | b. | negative terminal. | d. | voltage
terminal |
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3.
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To determine the resistance of an electrical device in a simple electrical
circuit, you would have to take measurements using ...
a. | an ammeter only. | c. | an ammeter and a voltmeter. | b. | a voltmeter
only. | d. | two voltmeters, one
for the battery and one for the device. |
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4.
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Study the simple circuit shown. What is the best
way to measure the current through this circuit if the switch is closed?
a. | A voltmeter inserted between the battery and the switch. | b. | An ammeter inserted
between the battery and the switch. | c. | An ammeter inserted between the bulb and the
battery. | d. | Both ‘b’ and ‘c’ would be good
options. |
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5.
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Which electrical unit is used to measure
resistance? a. | joules per coulomb (J/C) | c. | volts per ampere
(V/A) | b. | ohms per ampere (W/A) | d. | A) and C) |
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6.
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Three identical resistors are connected in series
to a 6 V power supply. An ammeter is used to determine the total current (Is) through the 6 V power supply. Which
equation will give you the resistance of the second resistor?
a. | Resistance of second resistor = Is x 6 V | b. | Resistance of second resistor =  | c. | Resistance of
second resistor =  | d. | Resistance of
second resistor = 6 V x Is x 3 |
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