1. An open resistor, when checked with an ohmmeter reads
2. Sparking occurs when a load is switched off because the circuit has high
3. Electric current passing through the circuit produces
4. One Newton meter is same as
5. The filament of an electric bulb is made of
6. Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.
7. Varistors are
8. Temperature coefficient of resistance is expressed in terms of
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