New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Current Electricity question

2022 · Shift 2 · Q46

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

PYQ Library
JEE Advanced
Physics
Current Electricity
2022 · Shift 2 · Q46

Current Electricity question

2022 · Shift 2 · Q46

JEE AdvancedPhysicsCurrent ElectricityMultiple correct+4 / −2

In Circuit-1 and Circuit- 2 shown in the figures,

R_{1}=1 \,\Omega, R_{2}=2 \,\Omega

and

R_{3}=3 \,\Omega

.

P_{1}

and

P_{2}

are the power dissipations in Circuit-1 and Circuit-2 when the switches

\mathrm{S}_{1}

and

\mathrm{S}_{2}

are in open conditions, respectively.

Q_{1}

and

Q_{2}

are the power dissipations in Circuit-1 and Circuit-2 when the switches

\mathrm{S}_{1}

and

\mathrm{S}_{2}

are in closed conditions, respectively. JEE Advanced 2022 Paper 2 Online Physics - Current Electricity Question 5 English

JEE Advanced 2022 Paper 2 Online Physics - Current Electricity Question 5 English

Which of the following statement(s) is(are) correct?

A
When a voltage source of $6 V$ is connected across $\mathrm{A}$ and $\mathrm{B}$ in both circuits, $P_{1} \lt P_{2}$ .
B
When a constant current source of $2 \mathrm{Amp}$ is connected across A and B in both circuits, $P_{1}>P_{2}$ .
C
When a voltage source of $6 V$ is connected across $\mathrm{A}$ and $\mathrm{B}$ in Circuit-1, $Q_{1}>P_{1}$ .
D
When a constant current source of $2 \mathrm{Amp}$ is connected across A and $\mathrm{B}$ in both circuits, $Q_{2} \lt Q_{1}$ .

More from Current Electricity

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
Shown in the figure is a semicircular metallic strip that has thickness t and resistivity $ρ$ . Its inner radius is R1 and outer radius is R2. If a voltage V0 is applied between its two ends, a current I flows in it. In addition, it is… Includes diagram2020 · Multiple correct
In the balanced condition, the values of the resistances of the four arms of a Wheatstone bridge are shown in the figure below. The resistance R3 has temperature coefficient 0.0004 $^{\circ}$ C-1. If the temperature of R3 is increased by 100… Includes diagram2020 · Numerical
In the circuit shown, initially there is no charge on the capacitors and keys S1 and S2 are open. The values of the capacitors are C1 = 10 $μ$ F, C2 = 30 $μ$ F and C3 = C4 = 80 $μ$ F. Which of the statement(s) is/are correct? Includes diagram2019 · Multiple correct
Two identical moving coil galvanometers have 10 $Ω$ resistance and full scale deflection at 2 $μ$ A current. One of them is converted into a voltmeter of 100 mV full scale reading and the other into an ammeter of 1 mA full scale…2019 · Multiple correct
An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot filament emits black-body radiation. The filament is observed to break up at random locations after a…2016 · Multiple correct
An infinite line charge of uniform electric charge density l lies along the axis of an electrically conducting infinite cylindrical shell of radius R. At time t = 0, the space inside the cylinder is filled with a material of permittivity e…2016 · MCQ
Consider two identical galvanometers and two identical resistors with resistance R. If the internal resistance of the galvanometers Rc < R/2, which of the following statement(s) about anyone of the galvanometers is(are) true?2016 · Multiple correct