हिंदी

What Will Be the Potential Difference in the Circuit When Direct Current is Passed Through the Circuit?

Advertisements
Advertisements

प्रश्न

What will be the potential difference in the circuit when direct current is passed through the circuit? 

संख्यात्मक
Advertisements

उत्तर

In case of DC ω =  0 

XL = ωL = 0 Ω            R = 160 Ω  

Z = 160 Ω  

e = 160 × i

e = 160V 

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2018-2019 (March) 55/3/3

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

In a series LCR circuit connected to an a.c. source of voltage v = vmsinωt, use phasor diagram to derive an expression for the current in the circuit. Hence, obtain the expression for the power dissipated in the circuit. Show that power dissipated at resonance is maximum


In a series LCR circuit, obtain the condition under which watt-less current flows in the circuit ?


 Derive an expression for the average power consumed in a series LCR circuit connected to a.c. source in which the phase difference between the voltage and the current in the circuit is Φ.


An inductor-coil of resistance 10 Ω and inductance 120 mH is connected across a battery of emf 6 V and internal resistance 2 Ω. Find the charge which flows through the inductor in (a) 10 ms, (b) 20 ms and (c) 100 ms after the connections are made.


An LR circuit with emf ε is connected at t = 0. (a) Find the charge Q which flows through the battery during 0 to t. (b) Calculate the work done by the battery during this period. (c) Find the heat developed during this period. (d) Find the magnetic field energy stored in the circuit at time t. (e) Verify that the results in the three parts above are consistent with energy conservation.


Answer the following question.
Draw the diagram of a device that is used to decrease high ac voltage into a low ac voltage and state its working principle. Write four sources of energy loss in this device.  


In a series LCR circuit the voltage across an inductor, capacitor and resistor are 20 V, 20 V and 40 V respectively. The phase difference between the applied voltage and the current in the circuit is ______.


As the frequency of an ac circuit increases, the current first increases and then decreases. What combination of circuit elements is most likely to comprise the circuit?

  1. Inductor and capacitor.
  2. Resistor and inductor.
  3. Resistor and capacitor.
  4. Resistor, inductor and capacitor.

Define Impedance.


Draw a labelled graph showing variation of impedance (Z) of a series LCR circuit Vs frequency (f) of the ac supply. Mark the resonant frequency as f0·


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×