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CURRENT ELECTRICITY

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

Zero
Low but not zero
Infinite
High but within tolerance

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Current Electricity
Electric current passing through the circuit produces

Luminous effect
Thermal effect
Magnetic effect
Chemical effect

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Current Electricity
One Newton meter is same as

One joule
One joule second
Five joules
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.

Reactor
Resistor
Capacitor
Inductor

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

ohms/ohm°C
mhos/°C
mhos/ohm°C
ohms/°C

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