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Current Electricity Test - 47
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Current Electricity Test - 47
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  • Question 1/10
    4 / -1
    The potential drop across the 3 Ω resistor is

    Solutions

  • Question 2/10
    4 / -1
    If each resistance in the figure is of 9 Ω, then reading of ammeter is

    Solutions

  • Question 3/10
    4 / -1
    Two wires of equal diameters, of resistivities ρ1 and ρ2 and lengths l1 and l2, respectively, are joined in series. The equivalent resistivity of the combination is
    Solutions

  • Question 4/10
    4 / -1
    Four resistances of 100 Ω each are connected in the form of square. Then, the effective resistance along the diagonal points is
    Solutions

  • Question 5/10
    4 / -1
    Equivalent resistance between the points A and B is (in Ω)

    Solutions

  • Question 6/10
    4 / -1
    Two wires of the same material and equal length are joined in parallel combination. If one of them has half the thickness of the other and the thinner wire has a resistance of 8 ohms, the resistance of the combination
    Solutions

  • Question 7/10
    4 / -1
    In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also

    Solutions

  • Question 8/10
    4 / -1
    A uniform wire of resistance 9 Ω is cut into 3 equal parts. They are connected in the form of equilateral triangle ABC. A cell of e.m.f. 2 V and negligible internal resistance is connected across B and C. Potential difference across AB is
    Solutions

  • Question 9/10
    4 / -1

    Solutions

  • Question 10/10
    4 / -1

    Solutions

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