1
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

A battery of e.m.f. E and internal resistance r is connected to an external resistance R the condition for maximum power transfer is

A
r < R
B
r > R
C
r = 1/R
D
r = R
2
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

A thin wire of resistance 4 $$\Omega$$ is bent to form a circle. The resistance across any diameter is

A
4 $$\Omega$$
B
2 $$\Omega$$
C
1 $$\Omega$$
D
8 $$\Omega$$
3
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
Change Language

WB JEE 2023 Physics - Current Electricity Question 2 English

12 $$\mu$$C and 6 $$\mu$$C charges are given to the two conducting plates having same cross-sectional area and placed face to face close to each other as shown in the figure. The resulting charge distribution in $$\mu$$C on surfaces A, B, C and D are respectively,

A
9, 3, $$-$$3, 9
B
3, 9, $$-$$9, 3
C
6, 6, $$-$$6, 12
D
6, 6, 3, 3
4
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
Change Language

WB JEE 2023 Physics - Current Electricity Question 1 English

In an experiment on a circuit as shown in the figure, the voltmeter shows 8 V reading. The resistance of the voltmeter is,

A
20 $$\Omega$$
B
320 $$\Omega$$
C
160 $$\Omega$$
D
1.44 k $$\Omega$$
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