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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually
None of the listed here
An insulator
A conductor
A semiconductor
None of the listed here
An insulator
A conductor
A semiconductor
Answer
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Related Question
Current Electricity
The current in the circuit having constant resistance is tripled. The power increases
9 times
3 times
1/9 times
1/3 times
9 times
3 times
1/9 times
1/3 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
66 V
80 V
132 V
33 V
66 V
80 V
132 V
33 V
Answer
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Current Electricity
Voltage dependent resistors are used
As current stabilizers
As heating elements
To suppress surges
For inductive circuits
As current stabilizers
As heating elements
To suppress surges
For inductive circuits
Answer
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Current Electricity
The resistance of conductor varies inversely as
Temperature
Length
Resistivity
Area of cross-section
Temperature
Length
Resistivity
Area of cross-section
Answer
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Current Electricity
Which of the following statement is true both for a series and a parallel D.C. circuit?
Voltages are additive
Power are additive
Currents are additive
Elements have individual currents
Voltages are additive
Power are additive
Currents are additive
Elements have individual currents
Answer
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