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Q1. | The dual of a loop is |

A. | Twig [Wrong Answer] |

B. | Node pair [Correct Answer] |

C. | Mesh [Wrong Answer] |

D. | Tree [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ What inductance will give the same reactance as a capacitor of 2 µF when both are at 50 Hz?

5 H

10 H

15 H

20 H

⇒ Poor power factor results in all of the following EXCEPT.

Overloading of transformers

Overloading of altemators

Reduction in power losses

Reduction in load handling capacity of electrical system

⇒ The period of a wave is

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Expressed in amperes

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⇒ Ohm is the unit of all of the following except

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⇒ In a parallel R-C circuit, the current always ____the applied voltage.

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Leads

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⇒ The r.m.s. value of a sine wave is 100A. Its peak value is

70.7 A

141.4A

150A

282.8 A

⇒ In a pure resistive circuit

Current lags behind the voltage by 90°

Current leads the voltage by 90°

Current can lead or lag the voltage by 90°

Current is in phase with the voltage

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50V

82.8V

100V

173.2 V

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0.707

1.11

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⇒ All the rules and laws of D.C. circuit also supply to A.C. circuit containing

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Resistance only

All above

⇒ The r.m.s. value and mean value is the same in the case of

Triangular wave

Sine wave

Square wave

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⇒ Two sinusoidal quantities are said to be phase quadrature, when their phase difference is

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30°

45°

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⇒ Two waves of the same frequency have opposite phase when the phase angle between them is

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⇒ While drawing vector diagram for a series circuit the reference vector is

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Triangular wave

⇒ Which of the following circuit component opposes the change in the circuit voltage

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Capacitance

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R/C

RC

^{2}

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R

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⇒ The product of apparent power and cosine of the phase angle between circuit voltage and current is

True power

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Volt-amperes

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⇒ The dual of a link is

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Node

Loop

Tree branch

⇒ At half power points of a resonance curve, the current is____ times the maximum current.

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Reactances

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⇒ In A.C. circuit the power curve is a sine wave having

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None of these

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Voltage source is an active element

Conductance is a passive element

Current source is a passive element

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Inductance only

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Infinity