WB JEE 2020 | Current Electricity Question 13 | Physics

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

Consider the circuit shown.

WB JEE 2020 Physics - Current Electricity Question 25 English

If all the cells have negligible internal resistance, what will be the current through the 2$$\Omega $$ resistor when steady state is reached?

0.66 A

0.29 A

0 A

0.14 A

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

Five identical capacitors, of capacitance 20$$\mu$$F each, are connected to a battery of 150V, in a combination as shown in the diagram. What is the total amount of charge stored?

WB JEE 2019 Physics - Current Electricity Question 22 English

WB JEE 2019 Physics - Current Electricity Question 22 English

$$15 \times {10^{ - 3}}C$$

$$12 \times {10^{ - 3}}C$$

$$10 \times {10^{ - 3}}C$$

$$3 \times {10^{ - 3}}C$$

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

What is the current I shown in the given circuit?

WB JEE 2019 Physics - Current Electricity Question 21 English

$${V \over {2R}}$$

$${V \over {R}}$$

$${V \over {16R}}$$

$${V \over {8R}}$$

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

When the value of R in the balanced Wheatstone bridge, shown in the figure, is increased from 5$$\Omega $$ to 7$$\Omega $$, the value of S has to be increased by 3$$\Omega $$ in order to maintain the balance. What is the initial values of S?

WB JEE 2019 Physics - Current Electricity Question 20 English

WB JEE 2019 Physics - Current Electricity Question 20 English

2.5$$\Omega $$

3$$\Omega $$

5$$\Omega $$

7.5$$\Omega $$

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