Ch_34_&_35_Electric_Circuits_on-line

Ch_34_&_35_Electric_Circuits_on-line -...

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Conceptual Physics   (Hewitt) Electricity   2) 
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An  ampere is a unit of electrical  A) 
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pressure.  B) 
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current.  C) 
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resistance.  D) 
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all of these  E) 
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none of these  Answer:  
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Diff: 1  Topic: Electric Current      5) 
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Which  statement is correct?  A) 
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Charge flows in  a closed circuit.  B) 
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Voltage flows  through an open or a closed circuit.  C) 
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Resistance  flows though an open circuit.  D) 
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Current is the  primary cause of voltage.  Answer:  
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Diff: 1  Topic: Electric Current   11) 
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The  current through a 10 - ohm resistor connected to a 120 - V power supply is  A) 
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1 A.  B) 
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10 A.  C) 
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12 A.  D) 
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120 A.  E) 
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none of these  Answer:  
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Diff: 1  Topic: Electric Current  12) 
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A 10 - ohm  resistor has a 5 - A current in it. What is the voltage across the resistor?  A) 
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5 V  B) 
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10 V  C) 
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15 V  D) 
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20 V  E) 
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more than 20 V  Answer:  
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Diff: 1  Topic: Electric Current    13) 
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When a  10 - V battery is connected to a resistor, the current in the resistor is 2 A. What is the resistor's value?  A) 
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2 ohms  B) 
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This note was uploaded on 11/18/2010 for the course CPHY 101 taught by Professor Jay during the Fall '10 term at University of Massachusetts Boston.

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Ch_34_&_35_Electric_Circuits_on-line -...

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