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Electric Circuits

Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 1.285.
 2.185.
 2.585.
 2.9585.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 - 9.59.
 - 6.28.
 9.59.
 6.98.

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Electric Circuits
Active filter consists of

 inductor.
 capacitor.
 op-amp and capacitor.
 op-amp.

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

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

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Electric Circuits
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 9.7 ohms.
 7.7 ohms.
 8.7 ohms.
 6.7 ohms.

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Electric Circuits
Which cell has the reversible chemical reaction?

 Lead acid.
 Carbon Zinc.
 Silver oxide.
 Mercury oxide.

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MORE MCQ ON Electric Circuits

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