KCET 2025 | Current Electricity Question 1 | Physics

Two cells of emfs $E_1$ and $E_2$ and internal resistances $r_1$ and $r_2\left(E_2>E_1\right.$ and $\left.r_2>r_1\right)$ respectively, are connected in parallel as shown in figure. The equivalent emf of the combination is $\mathrm{E}_{\text {eq. }}$. Then

KCET 2025 Physics - Current Electricity Question 3 English

$\mathrm{E}_1<\mathrm{E}_{\mathrm{eq}}<\mathrm{E}_2$ and $\mathrm{E}_{\mathrm{eq}}$ is nearer $\mathrm{E}_2$

$\mathrm{E}_{\mathrm{eq}}>\mathrm{E}_2$

$\mathrm{E}_{\text {eq }}<\mathrm{E}_1$

$\mathrm{E}_1<\mathrm{E}_{\mathrm{eq}}<\mathrm{E}_2$ and $\mathrm{E}_{\mathrm{eq}}$ is nearer $\mathrm{E}_1$

KCET 2025

MCQ (Single Correct Answer)

-0

The variations of resistivity $\rho$ with absolute temperature T for three different materials $\mathrm{X}, \mathrm{Y}$ and Z are shown in the graph below. Identify the materials $\mathrm{X}, \mathrm{Y}$ and Z .

KCET 2025 Physics - Current Electricity Question 1 English

$X$ - copper, $Y$ - semiconductor, $Z$ - nichrome

$X$ - semiconductor, $Y$ - nichrome, $Z$ - copper

$X$ - nichrome, $Y$ - copper, $Z$ - semiconductor

$X$ - copper, $Y$ - nichrome, $Z$ - semiconductor

KCET 2025

MCQ (Single Correct Answer)

-0

Given, a current carrying wire of non-uniform cross-section, which of the following is constant throughout the length of wire?

Drift speed

Current and drift sped

Current only

Current, electric field and drift speed

Questions Asked from MCQ (Single Correct Answer)

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