New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Current Electricity question

2009 · Shift 1 · Q49

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Advanced
Physics
Current Electricity
2009 · Shift 1 · Q49

Current Electricity question

2009 · Shift 1 · Q49

JEE AdvancedPhysicsCurrent ElectricityMultiple correct+4 / −2

For the circuit shown in the figure IIT-JEE 2009 Paper 1 Offline Physics - Current Electricity Question 4 English

IIT-JEE 2009 Paper 1 Offline Physics - Current Electricity Question 4 English

A
The current I through the battery is 7.5 mA.
B
The potential difference across $R_L$ , is 18 V.
C
Ratio of powers dissipated in $R_1$ and $R_2$ is 3.
D
If $R_1$ and $R_2$ are interchanged, magnitude of the power dissipated in $R_L$ will decrease by a factor of 9.

More from Current Electricity

Figure shows three resistor configurations R1, R2 and R3 connected to 3 V battery. If the power dissipated by the configuration R1, R2 and R3 is P1, P2 and P3, respectively, then Includes diagram2008 · MCQ
STATEMENT - 1 In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put inside an enclosure maintained at a higher temperature. The null point can be obtained at the same point as…2008 · MCQ
A resistance of 2 $Ω$ is connected across one gap of a metre-bridge (the length of the wire is 100 cm) and an unknown resistance, greater than 2 $Ω$ , is connected across the other gap. When these resistance are interchanged, the…2007 · MCQ
In the following circuit $C_{1} = 12 μ F, C_{2} = C_{3} = 4 μ F$ and $C_{4} = C_{5} = 2 μ F$ . The charge stored in $C_{3}$ is $μ C$ . Includes diagram2022 · Numerical
The figure shows a circuit having eight resistances of $1Ω$ each, labelled $R_{1}$ to $R_{8}$ , and two ideal batteries with voltages $ε_{1} = 12 V$ and $ε_{2} = 6 V$ . Which of the following… Includes diagram2022 · Multiple correct
Two resistances $R_{1} = X Ω$ and $R_{2} = 1Ω$ are connected to a wire $A B$ of uniform resistivity, as shown in the figure. The radius of the wire varies linearly along its axis from $0.2 mm$ at $A$ to $1 mm$ at… Includes diagram2022 · Numerical
In Circuit-1 and Circuit- 2 shown in the figures, $R_{1} = 1 Ω, R_{2} = 2 Ω$ and $R_{3} = 3 Ω$ . $P_{1}$ and $P_{2}$ are the power dissipations in Circuit-1 and Circuit-2 when the switches $S_{1}$ and… Includes diagram2022 · Multiple correct
In order to measure the internal resistance r1 of a cell of emf E, a meter bridge of wire resistance R0 = 50 $Ω$ , a resistance R0/2, another cell of emf E/2 (internal resistance r) and a galvanometer G are used in a circuit, as shown… Includes diagram2021 · Numerical