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Electric Circuits

Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 160 µF
 10 µF
 40 µF

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Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 5/6 Ohm
 0.75A, 5/6 Ohm
 0.75 A, 1.5 Ohm
 1A, 1.5 Ohm

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 both 1 and 2.
None of these
 negative co-efficient.
 positive co-efficient.

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Electric Circuits
The mass of a neutron of atom is

 1.609 × 10 - 31 Kg.
 1.672 × 10 - 26 Kg.
 1.675 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.

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Electric Circuits
Coating generally recommended for hard surfacing is

 lead plating.
 chromium plating.
 copper plating.
None of these

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 400 Ω.
 800 Ω.
 4 Ω.
  40 Ω.

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