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CURRENT ELECTRICITY

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

High but within tolerance
Infinite
Zero
Low but not zero

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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 second
One watt
Five joules
One joule

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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
Reactor
Inductor
Resistor

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

mhos/ohm°C
ohms/ohm°C
mhos/°C
ohms/°C

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