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Current Electricity
Varistors are
Carbon resistors
Resistor with zero temperature co-efficient
Insulators
Non-linear resistors
Carbon resistors
Resistor with zero temperature co-efficient
Insulators
Non-linear resistors
Answer
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Related Question
Current Electricity
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
Increases
Heater will burn out
Decreases
Remains same
Increases
Heater will burn out
Decreases
Remains same
Answer
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Current Electricity
All good conductors have high
Thermal conductivity
Resistance
Reluctance
Conductance
Thermal conductivity
Resistance
Reluctance
Conductance
Answer
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Current Electricity
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be
1/3 times
1/9 times
9 times
3 times
1/3 times
1/9 times
9 times
3 times
Answer
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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
80 V
132 V
66 V
33 V
80 V
132 V
66 V
33 V
Answer
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Current Electricity
The substances which have a large number of free electrons and offer a low resistance are called
Semi-conductors
Conductors
Insulators
Inductors
Semi-conductors
Conductors
Insulators
Inductors
Answer
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