CBSE Class 12-science Physics Power In AC Circuit
- a horizontal straight wire 10m long extending from east to west is falling with a speed of 5m/s at right angles to the horizontal component of the earth magnetic field 0.30
- Prove that an ideal inductor does not dissipate power in an A.C circuit.
- The power factor varies between………………
- What will be the phase difference between the voltage and the current given power factor of an ac circuit is 0.5?
- The voltage and current in an ac circuit is given by What is the power dissipated?
- On what factors does power in an ac circuit depend?
- Is it possible to obtain wattless current in a circuit?
- How can the power factor be improved by using capacitance of appropriate value?
- A 100 Ω iron is connected to a 200 V supply with 50 Hz frequency. Find the rms value of current and the net power consumed over full cycle.
- Prove that, a pure inductive circuit does not consume any power in a complete cycle.
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