JEE Main 2021 (Online) 27th August Evening Shift | Current Electricity Question 88 | Physics

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

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

JEE Main 2021 (Online) 27th August Evening Shift Physics - Current Electricity Question 90 English

JEE Main 2021 (Online) 27th August Evening Shift Physics - Current Electricity Question 90 English

(5700 $$\pm$$ 285) $$\Omega$$

(7500 $$\pm$$ 750) $$\Omega$$

(5700 $$\pm$$ 375) $$\Omega$$

(7500 $$\pm$$ 375) $$\Omega$$

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

For full scale deflection of total 50 divisions, 50 mV voltage is required in galvanometer. The resistance of galvanometer if its current sensitivity is 2 div/mA will be :

1$$\Omega$$

5$$\Omega$$

4$$\Omega$$

2$$\Omega$$

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

Five identical cells each of internal resistance 1$$\Omega$$ and emf 5V are connected in series and in parallel with an external resistance 'R'. For what value of 'R', current in series and parallel combination will remain the same?

1 $$\Omega$$

25 $$\Omega$$

5 $$\Omega$$

10 $$\Omega$$

JEE Main 2021 (Online) 26th August Evening Shift

MCQ (Single Correct Answer)

-1

If you are provided a set of resistances 2$$\Omega$$, 4$$\Omega$$, 6$$\Omega$$ and 8$$\Omega$$. Connect these resistances so as to obtain an equivalent resistance of $${{46} \over 3}$$$$\Omega$$.

4$$\Omega$$ and 6$$\Omega$$ are in parallel with 2$$\Omega$$ and 8$$\Omega$$ in series

6$$\Omega$$ and 8$$\Omega$$ are in parallel with 2$$\Omega$$ and 4$$\Omega$$ in series

2$$\Omega$$ and 6$$\Omega$$ are in parallel with 4$$\Omega$$ and 8$$\Omega$$ in series

2$$\Omega$$ and 4$$\Omega$$ are in parallel with 6$$\Omega$$ and 8$$\Omega$$ in series

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