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Current Electricity

Current Electricity
Conductance is reciprocal of

Resistance
Reluctance
Inductance
Capacitance

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Current Electricity
An open resistor, when checked with an ohmmeter reads

Low but not zero
Infinite
High but within tolerance
Zero

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

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

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Current Electricity
The resistance of human body is about

1000 ohm
10 ohm
200 ohm
25 ohm

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Current Electricity
The resistance of a conductor varies inversely as

Length
Temperature
Resistivity
Are of cross-section

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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

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

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