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Electric Circuits

Electric Circuits
The electron is lighter than a proton by a factor of about

 1840.
 184.
 18.4.
 18400.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 1A
 5A
 2A
 0A

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Electric Circuits
In direct arc furnace which of following is of high value?

 Power factor.
 Voltage.
 All of above.
 Current.

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Electric Circuits
Addition of which of the following substance in electrolyte helps in producing bright finish?

 Glycerine.
 Any of above.
 Phenol.
 Dextrol.

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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
Select the wave that has the least value of form factor.

 Square wave.
 Triangular wave.
 Sine wave.
 Rectangular wave.

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