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Current Electricity

Current Electricity
In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is

132 V
66 V
80 V
33 V

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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually

A semiconductor
None of the listed here
A conductor
An insulator

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Current Electricity
Conductivity is the reciprocal of

None of the listed here
Resistivity
Resistance
Current density

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Current Electricity
The resistance of conductor varies inversely as

Length
Resistivity
Temperature
Area of cross-section

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Current Electricity
The resistance of a conductor varies inversely as

Length
Are of cross-section
Temperature
Resistivity

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Current Electricity
The resistance of a straight conductor is independent of

Cross-sectional area
Temperature
Material
Shape of cross-section

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