Question is ⇒ In a pure resistive circuit, Options are ⇒ (A) Current lags behind the voltage by 90°, (B) Current leads the voltage by 90°, (C) Current can lead or lag the voltage by 90°, (D) Current is in phase with the voltage, (E) , Leave your comments or Download question paper.

Question is ⇒ In a pure resistive circuit, Options are ⇒ (A) Current lags behind the voltage by 90°, (B) Current leads the voltage by 90°, (C) Current can lead or lag the voltage by 90°, (D) Current is in phase with the voltage, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a pure resistive circuit
A.	Current lags behind the voltage by 90° [Wrong Answer]
B.	Current leads the voltage by 90° [Wrong Answer]
C.	Current can lead or lag the voltage by 90° [Wrong Answer]
D.	Current is in phase with the voltage [Correct Answer]
View Answer 10 -3 Explanation:- Answer : D Discuss it below : !! 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 :

⇒ The ratio of active power to apparent power is known as ____ factor.
Demand
Load
Power
Form

⇒ 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

⇒ 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 power taken by a 3-Φ load is given by the expression
√3 V_L I_L sinΦ
√3 V_L I_L cosΦ
3 V_L I_L sinΦ
3 V_L I_L cosΦ

⇒ The shunt element of prototype high pass filter is
Resistive
Inductive
Capacitive
Combination of L and C

⇒ Which of the following statement is incorrect ?
Resistance is a passive element
Voltage source is an active element
Conductance is a passive element
Current source is a passive element

⇒ The power factor at resonance in RLC parallel circuit is
Zero
0.08 Lagging
0.8 Leading
Unity

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

⇒ 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
Zero

⇒ The transient currents are associated with the
Changes in the stored energy in the inductors and capacitors
Impedance of the current
Applied voltage to the circuit
Resistance of the circuit

⇒ The voltage of domestic supply is 220 V. This figure represents-
Mean value
r.m.s. value
Peak value
Average value

⇒ Two waves of the same frequency have opposite phase when the phase angle between them is
360°
180°
90°
0°

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

⇒ The r.m.s. value of pure cosine function is
0.5 of peak value
0.707 of peak value
Same as peak value
Zero

⇒ Which of the following circuit component opposes the change in the circuit voltage
Inductance
Capacitance
Conductance
Resistance

⇒ 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

⇒ The form factor of D.C. supply voltage is always
Zero
0.5
Unity
Infinite

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

⇒ In a series resonant circuit, the impedance of the circuit is
Minimum
Maximum
Zero
None of the above

⇒ 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

⇒ The product of apparent power and cosine of the phase angle between circuit voltage and current is
True power
Reactive power
Volt-amperes
Instantaneous power

⇒ The power is measured in terms of decibles in case of
Electronic equipment
Transformers
Current transformers
Auto-transformers

⇒ 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 ?
50V
82.8V
100V
173.2 V

⇒ Two sinusoidal quantities are said to be phase quadrature, when their phase difference is
0
30°
45°
90°

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

⇒ At very low frequencies a series R-C circuit behaves as almost purely____
Resistive
Inductive
Capacitive
None of these

⇒ The safest value of current the human body can carry for more than 3 second is
4 mA
9 mA
15 mA
25 mA

⇒ The unit of frequency of an A.C. signal is
Cycle
Cycle-sec
Hertz
Hertz/sec

⇒ 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