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Electric Circuits

Electric Circuits
Which of the following has no units?

 Moment of a magnet
 Permeability
 Magnetic susceptibility
 Permittivity

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 10 × 10 6 Joule.
 5 × 10 - 3 Joule.
 10 × 10 - 3 Joule.
 5 × 10 - 2 Joule.

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 105.
 107.
 10 - 4.
 10 - 6.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 ionization current.
 proton current.
 electron current.
 polarization current.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 200 to 1600 volts.
 2000 to 3000 volts.
 20 to 60 volts.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

 0.01 V.
 None of these.
  1 V.
 0.1 V .

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