Solving time: 3 mins
Suppose the circuit in Exercise 7.18 has a resistance of 15 Ω. Obtain the average power transferred to each element of the circuit, and the total power absorbed.
Text solutionVerified
Therefore, impedence of the circuit,
The rms value of current in this circuit,
Average power transferred to
Practice more questions from Physics Part-I (NCERT)
(b) Obtain the rms values of potential drops across each element.
(c) What is the average power transferred to
(d) What is the average power transferred to
the capacitor?
(e) What is the total average power absorbed by the circuit? [Average implies average value over one cycle.]
(b) What is the source frequency for which average power absorbed by the circuit is maximum. Obtain the value of this maximum power.
(c) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies?
(d) What is the Q-factor of the given circuit?
Practice questions from Physics Part-I (NCERT)
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(b) What is the natural frequency of the
circuit?
(c) At what time is the energy stored
(i) completely electrical (i.e., stored in the capacitor)?
(ii) completely magnetic (i.e. stored in the inductor)?
(d) At what times is the total energy shared
equally between the inductor and the capacitor?
(e) If a resistor is inserted in the circuit,
how much energy is eventually dissipated as heat?
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(a) Write down the equation of motion for .
(b) At , the voltage source stops and is short circuited. Now write down how much energy is stored in each of and .
Thinking Process
We have to apply KVL write the equations in the form of current and charge double differentiote the equotion with respect to time and find the required relations.
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Question Text | Suppose the circuit in Exercise 7.18 has a resistance of 15 Ω. Obtain the average power transferred to each element of the circuit, and the total power absorbed. |
Topic | Alternating Current |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 16 |