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Q1. | A parallel resonant circuit can be used |

A. | As a high impedance [Wrong Answer] |

B. | To reject a small band of frequencies [Wrong Answer] |

C. | Both (A) and (B) [Correct Answer] |

D. | To amplify certain frequencies [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :Ayyanagouda Said on 2017-03-06 22:31:20C !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ 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

⇒ The time period of a sine wave is 1/50 seconds. Its frequency is

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30 Hz

40 Hz

50 Hz

⇒ The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be____ amperes.

141.4

200

200/π

40/π

⇒ For the full wave rectified sine wave the r.m.s. value is

0.707 I

_{max}

0.636 I

_{max}

0.318 I

_{max}

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

True power

Reactive power

Volt-amperes

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⇒ Power factor of the following circuit will be unity

Inductance

Capacitance

Resistance

Both (A) and (B)

⇒ At very low frequencies a series R-C circuit behaves as almost purely____

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None of these

⇒ Inductance affects the direct current flow

Only at the time of turning off

Only at the time of turning on

At the time of turning on and off

At all the time of operation

⇒ The transient currents are associated with the

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Impedance of the current

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⇒ Capacitors for power factor correction are rated in

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kVA

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

1/2

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⇒ The power factor of incandescent bulb is

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⇒ The reflection co-efficient of the simplest standing wave is

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⇒ In a purely inductive circuit

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

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Same frequency as that of voltage

Half the frequency of the voltage

None of these

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Overloading of transformers

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⇒ The series element of a band stop filter is

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⇒ The safest value of current the human body can carry for more than 3 second is

4 mA

9 mA

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⇒ Skin effect occurs when a conductor carries current at____ frequencies.

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Medium

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⇒ The shunt element in a band pass filter is

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⇒ The power factor of a D.C. circuit is always

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Any where