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CURRENT ELECTRICITY

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

Zero
High but within tolerance
Low but not zero
Infinite

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Current Electricity
Electric current passing through the circuit produces

Thermal effect
Luminous effect
Magnetic effect
Chemical effect

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Current Electricity
One Newton meter is same as

One joule
Five joules
One joule second
One watt

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Current Electricity
Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.

Capacitor
Resistor
Inductor
Reactor

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

ohms/°C
mhos/°C
mhos/ohm°C
ohms/ohm°C

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