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Current Electricity

Current Electricity
Ohm's law is not applicable to

Semi-conductors
Small resistors
Dc circuits
High currents

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Current Electricity
Which method can be used for absolute measurement of resistances?

Ohm's law method
Releigh method
Wheastone bridge method
Lorentz method

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Current Electricity
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will

Increase
Decrease
None of these
Remain constant

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Current Electricity
Conductance is reciprocal of

Inductance
Reluctance
Capacitance
Resistance

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

Infinite
High but within tolerance
Low but not zero
Zero

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Current Electricity
If an electric current is passed through a nerve, the man

Begins to weep
Is excited
Becomes insensitive to pain
Begins to laugh

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MORE MCQ ON Current Electricity

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