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Current Electricity

Current Electricity
If an electric current is passed through a nerve, the man

Is excited
Begins to laugh
Becomes insensitive to pain
Begins to weep

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Current Electricity
The resistance of a straight conductor is independent of

Shape of cross-section
Cross-sectional area
Material
Temperature

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Current Electricity
Electric current is a

Number only
Sometimes scalar and sometimes vector
Scalar quantity
Vector quantity

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

33 V
66 V
132 V
80 V

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Current Electricity
International ohm is defined in terms of the resistance of

A cube of carbon
A column of mercury
The unit length of wire
A cube of copper

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Current Electricity
The example of non-ohmic resistance is

Carbon resistance
Copper wire
tungsten wire
Aluminium wire

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MORE MCQ ON Current Electricity

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