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Recent content by p.mahen

  1. P

    [SOLVED] diode connected in parallel with an LED

    Thanks brian is it to protect the LED from AC?
  2. P

    [SOLVED] diode connected in parallel with an LED

    Thanks Manoj
  3. P

    [SOLVED] diode connected in parallel with an LED

    can anyone help to answer this Why is a diode connected in parallel with an LED?
  4. P

    [SOLVED] What is the percentage regulation of a transformer?

    Re: What is the percentage regulation of transformer? Yes frank, I think it is wrong way.. so it is 100/101 = 1%?
  5. P

    [SOLVED] What is the percentage regulation of a transformer?

    A transformer produces an output voltage of 101 V under full load, and 100 V under no-load condition, what is the percentage regulation?
  6. P

    [SOLVED] Circuits that allow resonant frequency

    Thanks guys.. It is really helpful
  7. P

    [SOLVED] Circuits that allow resonant frequency

    What type of circuit allows resonant frequency and blocks non-resonant frequency? and why?
  8. P

    [SOLVED] Question on Capacitive Reactance

    Thank you, Now I understand Regards Prem
  9. P

    [SOLVED] Question on Capacitive Reactance

    How did you drive this answer?.. can you please show me the steps
  10. P

    [SOLVED] Question on Capacitive Reactance

    Can anyone help me on this question A 120 ohms resistor is connected in series with a capacitive reactance of 160 ohms. Determine the current flow when the circuit is connected to 200V AC supply?
  11. P

    [SOLVED] basic power and energy requires solution

    Thanks for the solution. It really helped - - - Updated - - - Thanks for all
  12. P

    [SOLVED] basic power and energy requires solution

    The main aircraft battery is used to start an engine. If the starter demands a current 1000A for 30 sec. and the battery voltage remains at 12V during that period, determine the amount of energy required to start an engine.
  13. P

    [SOLVED] How to calculate Voltage of a capacitor

    Thanks guys for the help.. As you all said, it seems the answers are wrong.
  14. P

    [SOLVED] How to calculate Voltage of a capacitor

    Thanks again for guiding me, the question is 1. A 68 microFarad is required to store a charge of 160 microCoulumb. What voltage should be applied to the capacitor? a. 200 V b. 300 V c. 500 V May be if i want to go for the closest answer, should i go for 200 V or 300 V..?
  15. P

    [SOLVED] How to calculate Voltage of a capacitor

    Thanks, but the 3 answers given are 200 V, 300 V and 500 V. I am confused with the answer given
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