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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 0A
 10A
 5A
 1A

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 0 mH.
 10 mH.
 5 mH.
 20 mH.

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 5V
 7V
 3V
 4V

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 heavy charging.
 trickle charging.
 incomplete charging.

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Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 R.
 2R/3.
 3R/2.
 R/2.

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Electric Circuits
When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

 mixed.
 in either series or parallel.
 as in series.
 in parallel.

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