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Electric Circuits

Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Power
 Current
 Force
 Charge

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 5A
 2A
 0A
 1A

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Electric Circuits
The life of a lead acid battery is expected to be

 10 to 15 years.
 1 year.
 6 months.
 2 to 5 years.

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 4.
 R / 2.
 R / 6.
  R / 3.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 109 to 1012 ohm - cm.
 0.01 to 50 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 1000 to 1500 ohm - cm.

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Electric Circuits
In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit?

 10A
 20A
 5A
 0A

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