Question is ⇒ In an A.C. circuit power is dissipated in, Options are ⇒ (A) Resistance only, (B) Inductance only, (C) Capacitance only, (D) None of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ In an A.C. circuit power is dissipated in, Options are ⇒ (A) Resistance only, (B) Inductance only, (C) Capacitance only, (D) None of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In an A.C. circuit power is dissipated in
A.	Resistance only [Correct Answer]
B.	Inductance only [Wrong Answer]
C.	Capacitance only [Wrong Answer]
D.	None of the above [Wrong Answer]
View Answer 14 -6 Explanation:- Answer : A 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 reflection co-efficient of the simplest standing wave is
+1
1
Zero
Infinity

⇒ 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

⇒ How much r.m.s. current does a 300 W. 200V bulb take from the 200 V, 50 Hz power line ?
0.5A
1.5 A
2A
3A

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

⇒ 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

⇒ 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 form factor is the ratio of
Peak value to r.m.s. value
r.m.s. value to average value
Average value to r.m.s. value
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 dual of a link is
Twig
Node
Loop
Tree branch

⇒ Capacitive reactance is more when
Capacitances is less and frequency of supply is less
Capacitance is less and frequency of supply is more
Capacitance is more and frequency of supply is less
Capacitance is more and frequency of supply is more

⇒ 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

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

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

⇒ In an A.C. circuit, a low value of kVAR compared with kW indicates
Low efficiency
High power factor
Unity power factor
Maximum Load current

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

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

⇒ Selectivities of different resonance circuits are compared in terms of their
Impedances
Reactances
Frequencies
Band widths

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

⇒ 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

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

⇒ The power factor of a D.C. circuit is always
Less than unity
Unity
Greater than Unity
Zero

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

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

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

⇒ 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

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

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

⇒ 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