Related Questions

In an RC circuit, the impedance is determined by both the resistance and the capacitive reactance combined.
A True
B False
At series resonance, the inductive reactance and capacitive reactance are never equal.
A True
B False
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
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
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
Inductive reactance is measured in units of:
A volts per second
B amperes per second
C Ohm
D henrys
E None of the above
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
10 cm লম্বা ও 0.5 cm ব্যাসার্ধ বিশিষ্ট একটি তামা ও একটি লোহার তারকে জোড়া লাগিয়ে দৈর্ঘ্য 20 cm করা হল। জোড়া লাগানো তারটিকে বল প্রয়োগ করে লম্বা করা হল। লোহার ইয়ংয়ের গুণাঙ্ক তামার ইয়ংয়ের গুণাঙ্কের দুইগুণ হলে লোহার দৈর্ঘ্য বৃদ্ধি ও তামার দৈর্ঘ্য বৃদ্ধির অনুপাত কত? ( A steel and a brass wire, both having 10 cm length and 0.5 cm radius, are joined together making the total length of the combined wire 20 cm. The combined wire is stretched by applying a force. If the Young's modulus of steel is twice as much as that of brass, what will be the ratio of the extension of steel to the extension of brass?)
A 1 :8
B 1 : 6
C 1 : 4
D 1 : 2
10 cm লম্বা ও 0.5 cm ব্যাসার্ধ বিশিষ্ট একটি তামা ও একটি লোহার তারকে জোড়া লাগিয়ে দৈর্ঘ্য 20 cm করা হল। জোড়া লাগানো তারটিকে বল প্রয়োগ করে লম্বা করা হল। লোহার ইয়ংকের গুণাস্ক তামার ইয়ংকের গুণাস্কের দুইগুন হলে লোহার দৈর্ঘ্য বৃধি ও তামার দৈর্ঘ্য বৃদ্ধির অনুপাত কত? (A steel and a brass wire, both having 10 cm length and 0.5 cm radius, are joined together making the total length of the combined wire 20 cm. The combined wire is stretched by applying a force. If the Young‘s modulus of steel is twice as much as that of brass, what will be the ratio of the extension of steel to the extension of brass?)
A 1:8
B 1:6
C 1:4
D 1:2

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