The capacity of a capacitor to store the electric charge is dubbed capacitance.The capacitance of a conductor is the proportion ofcharge (Q)to it by a increase initspotential (V)Capacitance ​C = Q/VThe unit ofcapacitanceis thefarad or Coulomb/Volt(symbolF).

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Energy stored(U) in the capacitoris (U=frac12CV^2)

Q = charge in coulomb

V = Voltage in volt   Q4. A 40 Ω resistor is in parallel v an 80 Ω resistor. Current in the 40 Ω resistor is 6 A. Just how will you add a 3rd resistor and what will be its worth if the line-current is to it is in 10 A?
Q7. In the circuit shown in the following figure, calculation the value of the unknown resistance R when the current in branch OA is zero.
Q9. In which of the following varieties of aspects are the electric charges stored because that a prescribed duration of time?
Q10. Calculate the resistance of one 800 m lengthy cable created of 16 stands of similar copper conductors, every strand being 1.2 mm in diameter. Allow 4% boost in size for the 'lay' (twist) of each strand in completed each. The resistivity the copper might be taken as 1.32× 10-8Ω m.  Q4. A 40 Ω resistor is in parallel through an 80 Ω resistor. Current in the 40 Ω resistor is 6 A. Just how will you add a 3rd resistor and what will certainly be its worth if the line-current is to it is in 10 A?
Q5. For a sinusoidal waveform, the RMS value of existing will it is in _______ time the maximum value of current.

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Q6. Which that the adhering to methods supplied for typical value determination is convenient for non-sinusoidal waves?
Q9. In the circuit presented in the adhering to figure, calculate the value of the unknown resistance R once the present in branch OA is zero.