ELECTRIC CIRCUITS

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ELECTRIC CIRCUITS - Topic Wise Multiple Choice Questions (MCQ)

Topic Wise free Electric Circuits MCQ with solutions for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test



1 )

Two wires of equal lengths, equal diameters and having resistivities ρ1 and ρ2 are connected in series The equivalent resistivity of the combination is....

(ρ1 + ρ2)
(1/2) (ρ1 + ρ2)
{(ρ1ρ2) / (ρ1 + ρ2)}
√(ρ1ρ2)


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2 )

In the circuit shown in fig, current I2 = 0. The value of E is....

               

3V
6V
9V
12V


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3 )

In the circuit shown in fig, the reading of ammeter is....

                                                  

1A
2A
3A
4A


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4 )

In Fig, the galvanometer shows no deflection. What is the resistance X?

             

14Ω
21Ω
28Ω


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5 )

Seven resistors, each of resistance 5Ω, are connected as shown in fig, The equivalent resistance between points A and B is....

             

                     

35Ω
49Ω


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