Figure shows four cell E, F, G and H of emfs 2 V, 1 V, 3 V and 1 V and internal resistances

step 1 have a circuit diagram in this VA cell of EMFE connected with another cell of EMF H another cell

Figure shows four cell E, F, G and H of emfs 2 V, 1 V, 3...

Figure shows four cell $\mathrm{E}, \mathrm{F}, \mathrm{G}$ and $\mathrm{H}$ of emfs $2 \mathrm{~V}, 1 \mathrm{~V}, 3 \mathrm{~V}$ and $1 \mathrm{~V}$ and internal resistances $2 \Omega, 1 \Omega, 3 \Omega$ and $1 \Omega$ respectivelyThe current flowing in the $2 \Omega$ resistor is. $($ A $)(1 / 7) A$ (B) $(1 / 9) \mathrm{A}$ (C) $(1 / 11) \mathrm{A}$ (D) $(1 / 13) \mathrm{A}$

Figure shows four cell $\mathrm{E}, \mathrm{F}, \mathrm{G}$ and $\mathrm{H}$ of emfs $2 \mathrm{~V}, 1 \mathrm{~V}, 3 \mathrm{~V}$ and $1 \mathrm{~V}$ and internal resistances $2 \Omega, 1 \Omega, 3 \Omega$ and $1 \Omega$ respectivelyThe current flowing in the $2 \Omega$ resistor is.
$($ A $)(1 / 7) A$
(B) $(1 / 9) \mathrm{A}$
(C) $(1 / 11) \mathrm{A}$
(D) $(1 / 13) \mathrm{A}$

Key Concepts

Ohm's Law

Ohm’s Law establishes the relationship between voltage, current, and resistance in an electrical circuit, expressed as V = IR. This principle is fundamental in circuit analysis and is used in conjunction with Kirchhoff's laws to calculate voltage drops across resistors, including those due to internal resistances, thereby providing the means to determine current values in a circuit.

Equivalent Circuit Analysis

Equivalent circuit analysis involves simplifying complex circuits into simpler equivalent circuits that retain the same voltage and current characteristics. This method enables the combination of multiple voltage sources and resistors, both internal and external, to efficiently determine quantities such as current flow in specific branches of the circuit.

Kirchhoff's Voltage Law

Kirchhoff’s Voltage Law states that the algebraic sum of all voltages around any closed loop in a circuit is zero. This law is essential when analyzing circuits with multiple cells and resistors because it helps set up equations based on the potential differences contributed by both the emf sources and the voltage drops across the resistors, including internal resistances.

Internal Resistance

Internal resistance refers to the inherent resistance within a battery or cell that causes a voltage drop when current flows. This concept is critical in circuit analysis as it affects the actual voltage available from the cell, altering the distribution of current in the circuit and impacting the overall performance of the power supply.

Transcript

Please give Ace some feedback