circuit comprises of a coil (resistance of 20W, inductance of 400mH), and a capacitor of 2.0mF connected in series. A supply of 100V at 50 Hz is connected across the circuit. (i) Calculate the circuit: Impedance Phase angle Resonant frequency Q-factor Bandwidth (ii) How do each of the parameters in c., d., e., change if the coil is connected in parallel with the capacitor across the same supply? (iii)Explain what is happening to both parallel and series connections of the above circuit at resonant frequency and critically analyse the effects on circuit currents, voltages and components at resonance.
Power Amplifier
The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.
Maximum Efficiency Criterion
In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.
A circuit comprises of a coil (resistance of 20W, inductance of 400mH), and a capacitor of 2.0mF connected in series. A supply of 100V at 50 Hz is connected across the circuit. (i) Calculate the circuit:
- Impedance
- Phase angle
- Resonant frequency
- Q-factor
- Bandwidth
(ii) How do each of the parameters in c., d., e., change if the coil is connected in parallel with the capacitor across the same supply?
(iii)Explain what is happening to both parallel and series connections of the above circuit at resonant frequency and critically analyse the effects on circuit currents, voltages and components at resonance.
Step by step
Solved in 5 steps with 12 images