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The phase difference between the alterna...

The phase difference between the alternating current and emf is `pi/2` rad. Which of the following cannot be the constituent of the circuit ?

A

L,C

B

Only L

C

Only C

D

R

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The correct Answer is:
D
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KUMAR PRAKASHAN-ALTERNATING CURRENTS -SECTION-D MCQs (COMPETITIVE EXAMS)
  1. In a L-C-R series A.C. circuit, the voltage across each of the compone...

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  2. The power factor of A.C. circuit of resistance 12Omega and impedance ...

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  3. The phase difference between the alternating current and emf is pi/2 r...

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  4. In L-C-R series circuit at resonance p.d. between two ends of resistor...

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  5. In an A.C. generator, a coil with N turns, all the same area A and tot...

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  6. In A.C. circuit, when E = E0 sin omegat supply applied, current is obt...

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  7. An inductor (L = 0.03 H) and a resistor (R = 0.15 kOmega) are connecte...

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  8. An LCR circuit is equivalent to a damped pendulum. In an LCR circuit t...

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  9. An arc lamp requires a direct current of 10 A at 80 V to function. If ...

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  10. For an RLC circuit driven with voltage of amplitude vm and frequency ...

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  11. An emf of 20 V is applied at time t = 0 to a circuit containing in ser...

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  12. An inductor of inductance L and resistance R is connected of A.C. circ...

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  13. In an A.C circuit the current...

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  14. A primary of transformer has 100 turns an secondary has 500 turns. If ...

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  15. If in an A.C. circuit voltage V and current is then the power dissipat...

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  16. In a step-down transformer ....... increases.

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  17. The phase difference between current and voltage for L-C-R A.C. series...

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  18. The value of capacitive reactance of capacitor XC. If the values of ca...

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  19. When a wire loop is rotated in a magnetic field the direction of induc...

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  20. In L-C-R circuit, the energy dissipated in …….

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