Resistance and Power - General Questions Online Exam Quiz
Resistance and Power - General Questions GK Quiz. Question and Answers related to Resistance and Power - General Questions. MCQ (Multiple Choice Questions with answers about Resistance and Power - General Questions
The resistivity of copper is:
Options
A : 9.9
B : 10.7
C : 16.7
D : 17.0
How do fixed resistors usually fail?
Options
A : slowly over time
B : by increasing their value
C : by becoming an open circuit
D : by increasing their value and becoming an open circuit
With Ohm's law, if voltage increases and resistance stays the same:
Options
A : current remains the same
B : power decreases
C : current increases
D : resistance decreases
Which formula shows a direct proportionality between power and voltage?
Options
A : V = IR
B : P = VI
C : P = IR
D : I = V/R
With 1 mA of current, what wattage rating should a 470 ohm resistor have?
Options
A : 1/4 watt
B : 1/2 watt
C : 1 watt
D : 2 watts
How is a 3.9 k resistor color-coded?
Options
A : red, white, red, gold
B : red, green, orange, silver
C : orange, white, red, gold
D : orange, green, orange, silver
What resistor type is found in SIPs and DIPs?
Options
A : metal film
B : wirewound
C : metal oxide
D : thick film
Ohm's law is not:
Options
A : V = IR
B : I = V/R
C : R = IV
D : R = V/I
What are the two major categories for resistors?
Options
A : low and high ohmic value
B : commercial and industrial
C : low and high power value
D : fixed and variable
How many connections does a potentiometer have?
Options
A : 1
B : 2
C : 3
D : 4
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