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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 6.
 107.
 10 - 4.
 105.

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

 series
  none of them
 parallel
  both of above

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Electric Circuits
What is the unit of potential difference ?

 Watt
 Ampere
 Ohm
 Volt

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Electric Circuits
The fixed circular paths around the nucleus are called

 orbits.
 mesons.
 orbitals.
 nucleus.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 2.
 Not possible.
 1.
 4.

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Electric Circuits
Super position theorem is not applicable for

 power calculations.
None of these
 voltage calculations.
 current calculations.

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