Related Questions

At series resonance, the inductive reactance and capacitive reactance are never equal.
A True
B False
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
A 1950
B 1560
C 1840
D 1680
In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.
A True
B False
An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then
A VR = VL
B VL
C VL = VR
D VL > VR
Which one of the following statements most accurately describes the nature of inductive reactance?
A Inductive reactance is an opposition to current flow in dc circuits
B Inductive reactance is an opposition to current flow in ac circuits
C Inductive reactance is another term for counter emf
D Inductive reactance is a force that tends to overcome the effects of counter emf
E None of the above
The total inductive reactance of a parallel inductor circuit is:
A equal to the sum of the individual inductive-reactance values
B equal to the sum of the individual inductance values
C equal to the source voltage divided by total current
D less than the inductance value of the smallest inductor
E None of the above
In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.
A True
B False
In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
A True
B False
If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units?
A 240
B 300
C 350
D 120
দুইটি বিপরীতমুখী বলদ্বয়ের লব্ধি 12 units এবং বলদ্বয় হতে যথাক্রমে 3 units এবং 4 units দূরে ক্রিয়াশীল। বলদ্বয়ের মান কত?
A 48 and 36 units
B 48 and 48 units
C 40 and 36 units
D 40 and 40 units

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