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Electric Circuits

Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 1 A.
 100 A.
 6 A.
 600 A.

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Electric Circuits
For steady state current inductor acts as

 Current source
 Voltage source
 Short circuit
 Open circuit

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 2.2 Ohm and 2.3 Ohm.
 1.25 Ohm and 3.25 Ohm.
 2 Ohm and 2.5 Ohm.
 1.5 Ohm and 3 Ohm.

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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

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

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in parallel.
 two in parallel and third in series with this combination.
 all in series.
 two in series and third in parallel across this combination.

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Electric Circuits
Final value theorem is not applicable for which of the following?

 Both 2 and 3
 marginally stable systems
 stable systems
 unstable systems

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MORE MCQ ON Electric Circuits

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