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Current Electricity
Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
Variable resistors
Thermistor
Semiconductors
Varistors
Variable resistors
Thermistor
Semiconductors
Varistors
Answer
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Related Question
Current Electricity
The resistance of a few meters of wire conductor in closed electrical circuit is
Practically zero
Low
High
Very high
Practically zero
Low
High
Very high
Answer
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Current Electricity
Conductance is reciprocal of
Capacitance
Reluctance
Inductance
Resistance
Capacitance
Reluctance
Inductance
Resistance
Answer
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Current Electricity
The insulation on a current carrying conductor is provided
Both of the listed here
To prevent leakage of current
To prevent shock
None of above factors
Both of the listed here
To prevent leakage of current
To prevent shock
None of above factors
Answer
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Current Electricity
Electrical current is due to the flow of
Positive charges only
Negative charges only
Neutral particles only
Both positive and negative charges
Positive charges only
Negative charges only
Neutral particles only
Both positive and negative charges
Answer
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Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is
7.07 mA
14.14 mA
0.707 mA
28.28 mA
7.07 mA
14.14 mA
0.707 mA
28.28 mA
Answer
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