What is the total resistance of the circuit? g. Calculate the capacitance of the

Question

What is the total resistance of the circuit? g. Calculate the capacitance of the capacity? h. Which of these statements is correct for a given value of a given capacitor: a. The larger is the resistance of the circuit, the slower is the capacitor discharge b. The larger is the resistance of the circuit, the faster is the capacitor discharge c. None of the above IV- In the RCL circuit: a. How does the resistance of the circuit affect the time constant? b. How is that similar or different from the RC circuit? c. The oscillating seen in RCL circuit is due to: i. Continuous change of electric energy into magnetic energy and vise versa j. The wire in the inductance acts as a spring k. A property of an inductance d. If the value of C in a scries RLC circuit is decreased, the resonant frequency i. Decreases ii. Increases iii. Not affected

Explanation / Answer

4 ans

(a) ans

the resisrance of the circuit is inversely proportional to time constant

so the resistance is increases the time constant is decreases

the resistance is decreases the time constant is increases

(b) ans

the time constant of L-c circuit T=2*pi*[LC]^½

the time constant of R-c circuit T=CR

the time constant is different in Rc circuit

(c) ans

the oscillating seen in RCL circuit is due to continuous change of electric energy into magnetic energy and vice versa this is because of electrical resonance series L-C-R circuit

(d) ans

the C value in a series RLC circuit is dreased the resonant frequency is increases

because resonant frequency =1/{2*pi*[LC]^1/2}

the resonant frequency is inversely propertional to the capacitance

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