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Day 638: JEE Mains Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Current Electricity. Asked once: 2021 Paper 22

    26
    The voltage drop across 15Ω15\Omega resistance in the given figure will be_____ VV.

  2. Question 2

    Current Electricity. Asked once: 2021 Paper 21

    7
    The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is:

    Tap an option to check your answer.

  3. Question 3

    Current Electricity. Asked once: 2021 Paper 21

    28
    The ratio of the equivalent resistance of the network (shown in figure) between the points aa and bb when switch is open and switch is closed is x:8x:8. The value of xx is

  4. Question 4

    Current Electricity. Asked once: 2021 Paper 20

    25
    First, a set of nn equal resistors of 10Ω10\Omega each are connected in series to a battery of emf 20 V20\text{ }V and internal resistance 10Ω10\Omega. A current II is observed to flow. Then, the nn resistors are connected in parallel to the same battery. It is observed that the current is increased 20 times, then the value of nn is

  5. Question 5

    Current Electricity. Asked once: 2021 Paper 18

    12
    In the given figure, the emf of the cell is 2.2 V2.2\text{ }V and if internal resistance is 0.6Ω0.6\Omega. Calculate the power dissipated in the whole circuit:

    Tap an option to check your answer.