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Electric Circuits

Electric Circuits
Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V?

 10 A.
 20 A.
 15 A.
 7 A.

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Electric Circuits
The greater the internal resistance of a cell

 the lesser the terminal voltage.
 the greater the terminal voltage.
 the greater the emf.
 the lesser the emf.

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Electric Circuits
In the cauer-1 form of LC network---------is series element and --------is shunt element respectively?

 L and L
 L and C
 C and C
 C and L

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Electric Circuits
A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance?

 48.15 Ω.
 1.5 Ω.
 None of these.
 47.1 Ω.

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Electric Circuits
Unit step function is first derivative of

 impulse function.
 ramp function.
 parabolic function.
 gate function.

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

 3 Ω and 9 Ω.
  1.5 Ω and 3 Ω.
  3 Ω and 6 Ω.
 6 Ω and 9 Ω.

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