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Electric Circuits

Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 N.
 b - N - 1.
 N - 1.
 b - N + 1.

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Electric Circuits
If the peak value of a sine wave is 100 V, then its RMS value will be

 100 V.
 70.7 V.
 63.6 V.
 88 V.

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

 7 V.
  5 V.
  4.123 V.
 {3 + 2(1.141)} V.

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 4V
 9V
 2V
 5V

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Electric Circuits
The unit of resistivity is

 Ω / metre.
 Ω.
 Ω / m².
 Ω - metre.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 7.07 mA.
 28.28 mA.
 0.707 mA.
 14.14 mA.

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