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Electric Circuits

Electric Circuits
For occurrence of resonance which of the following elements are required?

 Both 2 and 3
 R
 L
 C

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Electric Circuits
Which of the following is the heaviest?

 Molecule.
 Atom.
 Electron.
 Proton.

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current increases.
 the current remain unaltered.
 the current decreases.
 the current decreases abruptly.

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

 10 - 4.
 10 - 6.
 105.
 107.

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Electric Circuits
Kirchhoff's second law is based on law of conservation of

 mass.
 momentum.
 charge.
 energy.

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M / L.
 M.
 2 M.
 M / 2.

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