Name: 
 

Predict the Voltage of Current   - Post-Test


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
The diagram below represents a simple circuit consisting of a variable resistor, a battery, an ammeter, and a voltmeter.
mc001-1.jpg
What is the effect of increasing the resistance of the variable resistor from mc001-2.jpg to mc001-3.jpg? [Assume constant temperature.]
(NY Regents 2007)
a.
The ammeter reading decreases.
c.
The voltmeter reading decreases.
b.
The ammeter reading increases.
d.
The voltmeter reading increases.
 

 2. 
A 6.0-ohm lamp requires 0.25 ampere of current to operate. In which circuit below would the lamp operate correctly when switch S is closed?
(NY Regents 2007)
a.
mc002-1.jpg
c.
mc002-3.jpg
b.
mc002-2.jpg
d.
mc002-4.jpg
 



 
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