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Current Electricity

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

Reactor
Capacitor
Resistor
Inductor

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Current Electricity
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

4.6 A, 9.6 A
6.4 A, 9.6 A
4.6 A, 6.9 A
6.4 A, 6.9 A

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Current Electricity
When one lag of parallel circuit is opened out the total current will

Increases
Become zero
Decreases
None of the listed here

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Current Electricity
Electric current passing through the circuit produces

Chemical effect
Thermal effect
Luminous effect
Magnetic effect

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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually

A conductor
An insulator
A semiconductor
None of the listed here

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Current Electricity
A field of force can exist only between

Two metal particles
Two molecules
Two atoms
Two ions

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MORE MCQ ON Current Electricity

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