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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc Req.
 Isc = Voc / Req.
 Voc = Req /Isc.
 Voc = Isc / Req.

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

 4.
 1.
 Not possible.
 2.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 107.14 rpm in forward direction.
 107.14 rpm in reverse direction.
 5250 rpm in reverse direction.
 5250 rpm in forward direction.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

 111 ± 7.23 Ω.
  111 ± 0 Ω.
  111 ± 5.55 Ω.
 111 ± 2.77 Ω.

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Electric Circuits
Nodal analysis can be applied for

 planar networks.
 non planar networks.
 neither planar and non planar networks.
 both planar and non planar networks.

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

 0.75 V, 1.5 Ohm
 1.5V, 1.5 Ohm
 0.75V, 5/6 Ohm
 1.5V, 5/6 Ohm

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