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Q1. | The r.m.s. value of pure cosine function is |

A. | 0.5 of peak value [Wrong Answer] |

B. | 0.707 of peak value [Correct Answer] |

C. | Same as peak value [Wrong Answer] |

D. | Zero [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :Victor Ofori-Danquah Said on 2020-09-27 13:34:11A purely resistive impedance is also said to be A. nonconductive. B. noncapacitive. C. noninductive. D. nonreactive. !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ At____ frequencies the parallel R-L circuit behaves as purely resistive.

Low

Very low

High

Very high

⇒ A parallel resonant circuit can be used

As a high impedance

To reject a small band of frequencies

Both (A) and (B)

To amplify certain frequencies

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

4 mA

9 mA

15 mA

25 mA

⇒ 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 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

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40/π

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

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Power

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⇒ In a series resonant circuit, the impedance of the circuit is

Minimum

Maximum

Zero

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⇒ The shunt element in a band pass filter is

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⇒ In a R-L-C series circuit if voltage V across the circuit is reduced to half the current I will change to

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⇒ The form factor of D.C. supply voltage is always

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⇒ The capacitors for power factor correction are rated in terms of

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⇒ For the same peak value, which of the following wave has the least mean value ?

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

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+1

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40 Hz

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⇒ How much r.m.s. current does a 300 W. 200V bulb take from the 200 V, 50 Hz power line ?

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2A

3A

⇒ The power consumed in a circuit element will be least when the phase difference between the current and voltage

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

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⇒ When an alternating current passes through an ohmic resistance the electrical power converted into heat is

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_{max}

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_{max}

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⇒ A sine wave of voltage varies from zero to maximum of 200 V. How much is the voltage at the instant of 30° of the cycle ?

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