1
WB JEE 2022
MCQ (More than One Correct Answer)
+2
-0
Change Language

WB JEE 2022 Physics - Current Electricity Question 10 English

A hemisphere of radius R is placed in a uniform electric field E so that its axis is parallel to the field. Which of the following statement(s) is/are true?

A
Flux through the curved surface of hemisphere is $$\pi {R^2}E$$.
B
Flux through the circular surface of hemisphere is $$\pi {R^2}E$$.
C
Total flux enclosed is zero.
D
Work done in moving a point charge q from A to B via the path ACB depends upon R.
2
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0
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In the circuit shown in the figure all the resistance are identical and each has the value r$$\Omega $$. The equivalent resistance of the combination between the points A and B will remain unchanged even when the following pairs of points marked in the figure are connected through a resistance R.

WB JEE 2019 Physics - Current Electricity Question 30 English
A
2 and 6
B
3 and 6
C
4 and 7
D
4 and 6
3
WB JEE 2018
MCQ (More than One Correct Answer)
+2
-0
Change Language
A non-zero current passes through the galvanometer G shown in the circuit when the key K is closed and its value does not change when the key is opened. Then, which of the following statement(s) is/are true?

WB JEE 2018 Physics - Current Electricity Question 22 English
A
the galvanometer resistance is infinite.
B
the current through the galvanometer is 40 mA.
C
After the key is closed, the current through the 200$$\Omega$$ resistor is same as the current through the 300$$\Omega$$ resister.
D
The galvanometer resistance is 150$$\Omega$$
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