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Electric Circuits

Electric Circuits
Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner?

 6 Ω.
  2 Ω.
 9 Ω.
 3 Ω.

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

 b - N - 1.
 b - N + 1.
 N - 1.
 N.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 None of these.
 L = 3.316 mH, C = 0.0132 μF.
 L = 0.0132 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 132 μF.

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Electric Circuits
Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum

 equal in all resistors.
 8 Ohm.
 6 Ohm.
 4 Ohm.

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Electric Circuits
Active materials of a lead acid cell are

 dilute H2SO4.
 lead peroxide.
 spongy lead.
 all of above.

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Electric Circuits
A 60 Hz frequency voltage would cause a bulb to turn on and off

 80 times per second.
 60 times per second.
 70 times per second.
 120 times per second.

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