Question is ⇒ The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be____ amperes., Options are ⇒ (A) 141.4, (B) 200, (C) 200/π, (D) 40/π, (E) , Leave your comments or Download question paper.

Question is ⇒ The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be____ amperes., Options are ⇒ (A) 141.4, (B) 200, (C) 200/π, (D) 40/π, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be____ amperes.
A.	141.4 [Correct Answer]
B.	200 [Wrong Answer]
C.	200/π [Wrong Answer]
D.	40/π [Wrong Answer]
View Answer 26 -23 Explanation:- Answer : A Discuss it below : Abhijit Said on 2017-06-19 04:22:51 plz explain the ans Virendra Said on 2016-11-09 02:28:04 100/0.707 !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Which of the following waves has the highest value of peak factor '?
Square wave
Sine wave
Half wave rectifier sine wave
Triangular wave

⇒ Form factor is the ratio of
Average value/r.m.s. value
Average value/peak value
r.m.s. value/average value
r.m.s. value/peak value

⇒ The double energy transient occur in the
Purely inductive circuit
R-L circuit
R-C circuit
R-L-C circuit

⇒ Higher the Q of a series circuit
Broader its resonance curve
Narrower its pass band
Greater its band width
Sharper its resonace

⇒ Power factor of electric bulb is
Zero
Lagging
Leading
Unity

⇒ At half power points of a resonance curve, the current is____ times the maximum current.
1/2
1/ √2
√2
2

⇒ Power factor of the following circuit will be zero
Resistance
Inductance
Capacitance
Both (B) and (C)

⇒ A resonance curve for a series circuit is a plot of frequency versus
Current
Voltage
Impedance
Reactance

⇒ The ratio of the bandwidth to the resonance frequency is called the____ of the circuit.
Impedance
Susceptance
Quality factor
Selectivity

⇒ Skin effect occurs when a conductor carries current at____ frequencies.
Very low
Low
Medium
High

⇒ For the same peak value of voltage which wave form will have the least r.m.s. value ?
Sine wave
Square wave
Triangular wave
Full wave rectified sine wave

⇒ The reflection co-efficient of the simplest standing wave is
+1
1
Zero
Infinity

⇒ For a sine wave with peak value I_max the r.m.s. value is
0.5 I_max
0.707 I_max
0.9 I_max
1.414 I_max

⇒ The power factor of a series R-L-C circuit at its half-power points is
Unity
Lagging
Leading
Lagging or leading

⇒ In the R - L - C containing R = 4.5ω L = 0.06 H,C = 0.6 µF the power factor will be
Zero
Lagging
Leading
Unity

⇒ In A.C. circuit the power curve is a sine wave having
Double the frequency of voltage
Same frequency as that of voltage
Half the frequency of the voltage
None of these

⇒ The shunt element in a band pass filter is
Capacitive
Inductive
Parallel combination of L and C
Series combination of L and C

⇒ The period of a wave is
The same as frequency
Time required to complete one cycle
Expressed in amperes
None of the above

⇒ In a circuit containing R, L and C, power loss can take place
C only
L only
R only
All of the above

⇒ In a purely inductive circuit
Actual power is zero
Reactive power is zero
Apparent power is zero
None of these

⇒ The negative maximum of a cosine wave occurs at
30
45
90
180

⇒ The dual of a loop is
Twig
Node pair
Mesh
Tree

⇒ For a sine wave with peak value E_max the average value is
0.636 E_max
0.707 E_max
0.434 E_max
1.414 E_max

⇒ A coil with large distributed capacitance has a
High resonant frequency
Low resonant frequency
Low quality factor
Low resistance

⇒ 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

⇒ For 200 V r.m.s. value triangular wave, the peak voltage will be
200 V
222 V
282 V
346 V

⇒ Ohm is the unit of all of the following except
Inductive reactance
Capacitive reactance
Resistance
Capacitance

⇒ The power consumed in a circuit element will be least when the phase difference between the current and voltage
180°
90°
60°
0°

⇒ A heater is rated as 230 V, 10 KW, AC. The value 230 V refers t
Average voltage
r.m.s. voltage
Peak voltage
None of these

⇒ For the same peak value which of the following wave will have the highest r.m.s. value ?
Square wave
Half wave rectified sine wave
Triangular wave
Sine wave