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Current Electricity

Current Electricity
All good conductors have high

Conductance
Resistance
Thermal conductivity
Reluctance

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Current Electricity
For testing appliances, the wattage of test lamp should be

High
Any value
Very low
Low

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Current Electricity
In case of liquids, ohm's law is

None of the listed here
There is no relation between current and p. d
Fully obeyed
Partially obeyed

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Current Electricity
Specific resistance of a substance is measured in

Ω/m
Ω-m
m/Ω
None of the listed here

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Current Electricity
A field of force can exist only between

Two molecules
Two metal particles
Two ions
Two atoms

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Current Electricity
The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is

20 Ω, 30 Ω
5 Ω, 10 Ω
10 Ω, 15 Ω
10 Ω, 20 Ω

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