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Electric Circuits

Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 28.28 mA.
 0.707 mA.
 7.07 mA.
 14.14 mA.

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Electric Circuits
Open circuit voltage of a fully charged lead acid cell is

 2 V.
 2.5 V.
 1.9 V.
 2.7 V.

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Electric Circuits
There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance?

 C1C2.
 (C1C2) / C1 + C2.
 C1 + C2.
 (C1 + C2) / C1C2.

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Electric Circuits
Time constant of RL series circuit is

 RC
 2L/R
 L/R
 2RC

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Electric Circuits
A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance?

 Mica capacitor.
  It is impossible to conclude on the basis of information supplied.
 Both have identical value of capacitor.
 Ceramic capacitor.

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 0.5 V.
 2 V.
 None of these.
 1 V.

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